d2
+ an antirachitic, vitamin D
+ 1922, McCollum and vitamin D
+ a water barrier, dam
+ beaver and dam
+ Three Gorges Dam
+ 2008, China and the Three Gorges Dam
+ hydroelectric dam
- irreparable damage
+ to make good the damage
+ music and dance
+ a folk dance, bamboo dance
+ 1565-1899, Philippines and the bamboo dance
+ belly dance
+ Middle East and belly dance
+ circle dance
+ dragon dance
+ China and dragon dance
+ fan dance
+ folk dance
+ a solo dance, hoop dance
+ 1930s, White Cloud and the hoop dance
+ a dance, hula dance
+ line dance
+ lion dance
+ China and lion dance
+ pole dance
+ ribbon dance
+ 600s, China and the ribbon dance
+ round dance
+ square dance
- sun dance
+ sword dance
+ tap dance
+ tea dance
+ war dance
- exotic dancer
+ flamenco dancer
+ kung fu dancing
+ Polynesians and hula dancing
- a weed, not a flower; dandelion
- courting danger
- insensible to my danger
+ to assure you there is no danger
+ awake to the possible danger
- out after dark
+ never go there after dark
+ to keep it dark
+ rather dark
- in the dark
- shot in the dark
- under the cloak of darkness
- the Devil of Satan, Prince of Darkness
- thick darkness
- in total darkness
- blind date
- out of date
+ objects of prehistoric date
+ rain date
+ target date
+ prior to that date
+ to date
+ up to date
+ radiocarbon dating
+ 1949, Libby and radiocarbon dating
+ eldest daughter
+ youngest daughter
+ father and daughters
+ mother and daughters
+ sons and daughters
+ Star of David
+ 24 hours in a day
+ to call it a day
+ to eat three meals a day
+ two performances a day
+ to wash my face twice a day
+ to brush my teeth twice a day
- waited all day
+ night and day
- a black day
+ December 26, Boxing day
- a busy day
+ day by day
+ 336, December 25, Christmas Day
+ an eight-hour day
+ the third Sunday in June, Father's Day
+ 1910, Dodd and Father's Day
+ 1392, April Fools' Day
+ Apr. 1st, April Fools' Day
+ a day for pranks and practical jokes, April Fools' Day
- a gray day
+ Feb. 2nd, Groundhog day
+ 1937, Jan. 20, Inauguration Day
+ 1776, Jul. 4, Independence Day
- Judgment Day
+ May 1, Labor Day
+ the second Sunday in May, Mother's Day
+ 1908, Jarvis and Mother's Day
- a muggy day
+ made my day
+ name day
+ on the next day
+ time of day
+ one day
- enough food to last us for one day
+ a year less one day
+ every other day
+ the other day
+ Mar. 17, St. Patrick's Day
+ 400s, St. Patrick and St. Patrick's Day
+ down to the present day
+ to save for a rainy day
- late in the day
+ to name the day
+ officer of the day
+ to live from day to day
+ Feb. 14, Valentine's Day
+ 700s, St. Valentine and Valentine's Day
+ 1945, May 8, V-E Day
+ the day of victory in Europe for the Allies in WW II, V-E Day
+ 1945, Aug. 15, V-J Day
+ the day Japan surrendered to the Allies in WW II, V-J Day
+ wedding day
+ May 1st, International Workers' Day
+ 1904, Second International and International Workers' Day
+ working day
+ Jan. 1st, New Year's Day
+ to see daylight
+ DMY, day-month-year
+ on alternate days
+ an adventure novel, Around the World in Eighty Days
+ 1872, Verne and Around the World in Eighty Days
- in the old days
+ in my young days
+ direct current, DC
+/- dichloro-diphenyl-trichlorethane, DDT
+/- a pesticide, DDT
+/- 1939, Muller and DDT
+ a defense, playing dead
+ possum and playing dead
- shot dead
- the dead
+ to raise from the dead
- the deaf
+ got a fair deal
+ a good deal
+ a great deal
+ an economic recovery plan and social reform, New Deal
+ 1930s, President F. Roosevelt and the New Deal
+ package deal
+ a square deal
- lost on the deal
+ my dear
- life and death
- a matter of life and death
- the Black Death
- 1348-1350, Europe and the Black Death
+ to deplore her death
- in the event of his death
+ lived there until his death
+ a natural death
- kiss of death
+/- life or death
+ a fight to the death
- bored to death
+ condemned to death
+ drank himself to death
+/- to put to death
- a tragic death
- untimely death
- a violent death
- flirting with death
+ to open a debate
- a collection of defunct man-made objects in space, space debris
- bad debt
- in debt
- national debt
+ out of debt
- to show signs of decay
- the deceased
+ I decide
+ to make a decision
+ to take a decision
+ came to a decision
+ a democratic decision
+ a judicial decision
+ a serious decision
- split decision
+ not quarrelling with this decision
+ to avoid making rash decisions
+ tape deck
+ sun deck
+ I declare
- in decline
+ Christmas decorations
- tasteless decorations
+ tax deduction
- to feel the loss deeply
+ musk deer
+ central Asia and musk deer
+ white-tailed deer
+ North America and white-tailed deer
+ won by default
- a crushing defeat
+ to go to the bathroom to defecate
- genetic defect
- thalidomide and birth defects
+ 1961, McBride, Lenz, and thalidomide and birth defects
+ THAAD, Terminal High Altitude Area Defense
+ on the defensive
+ used to re-establish a natural heart rhythm, defibrillator
+ 1947, Beck and the defibrillator
- mental deficiency
- mental deficient
- vitamin deficient
- a congenital deformity
+ to take a degree
+ an honorary degree
+ by degrees
+ God, the Deity
- impatient of delay
- an one-hour delay
- could have been delayed
- to expect delays
+ fresh and delicious
- juvenile delinquency
- juvenile delinquent
+ cash on delivery
+ special delivery
- the Deluge
+ in demand
+ payable on demand
- senile dementia
- a gambling den
+ preventive dentistry
+ fire department
+ sales department
+ time deposit
- the Great Depression
- 1930s, USA and the Great Depression
- postpartum depression
+ tongue depressor
+ studied it in depth
- beyond my depth
+ the Derby
+ of French descent
+ a vivid description
- a person leaving military service without permission, a deserter
+ interior design
+ contemporary designs
+ a burning desire
- to leave much to be desired
- carnal desires
+ to ask at the information desk
+ reading desk
+ writing desk
- caused great destruction
- very destructive
+ told in great detail
+ in detail
- to bother me with every little detail
+ full of detail
+ to give full details
+ to go into details
+ private detective
+ lie detector
+ 1913, Marston and the lie detector
+ mine detector
+ a smoke detector
- house of detention
+ to make a detour
+ a housing development
+ to keep abreast of modern developments
+ significant developments
+ CCD, charged couple device
+ a cunning device
+ a contraceptive, intrauterine device
+ 1929, Grafenberg and the intrauterine device
+ a timesaving device
+ to leave a person to his own devices
- the Devil
+ God and the Devil
- like the devil
+/- God or the Devil
+ logic diagram, Venn diagram
+ 1880, Venn and the Venn diagram
+ diffusion, dialysis
+ 1943, Kolff and dialysis
- starfruit and kidney dialysis
+ disposable diapers
+ a book explaining the words of a language in alphabetical order, dictionary
+ to compile a dictionary
+ a satirical dictionary, The Devil's Dictionary
+ 1911, Bierce and The Devil's Dictionary
+ an index of the ending sound of syllable(s), Rhyming Dictionary
+ 1775, J. Walker and Rhyming Dictionary
- lived farther away from my house than you did
+/- to do or die
+ Never say die!
+ LSD, lysergic acid diethylamine
+ to make a difference
+ to make all the difference
+ to split the difference
+ to settle our differences
- to encounter difficulties
- in financial difficulties
- to make difficulties
- met with difficulties
- an insuperable difficulty
- an intractable difficulty
- with difficulty
- gold digger
+ Dolby Digital
+ 1992, Dolby Labs and Dolby Digital
+ length, first dimension
+ time, fourth dimension
+ width, second dimension
+ depth, third dimension
+ wined and dined
+ breakfast, lunch, dinner
+ at dinner
+ to dress for dinner
+ ready for dinner
+ to talk over dinner
+ LED, light-emitting diode
+ a life-supporting gas for plants, carbon dioxide
+ 1625, Van Helmont and carbon dioxide
+ double dip
+ traveled to Paris direct
- no sense of direction
- flew in all directions
- ran in all directions
+ funeral director
+ telephone directory
- at a disadvantage
- to our disadvantage
- the disadvantaged
+ to agree to disagree
- a disaster
+ managed to avert disaster
- heading for disaster
+ to prepare for disaster
+ staved off disaster
- to lead to disaster
+ CD, compact disc
+ rigorous discipline
- not amenable to discipline
- murmurs of discomfort
+ at a discount
+ cash discount
+ acted with discretion
+ at your discretion
- caused by plaques and tangles inside the nerve cells of the brain, Alzheimer's disease
- characterized by memory loss and disorientation, Alzheimer's disease
+ 1906, Alzheimer and Alzheimer's disease
- a chronic disease
- a contagious disease
- caused by a spongy brain and spinal cord, mad cow disease
- 1982, prions and mad cow disease
- 1986-1998, UK and mad cow disease
- deficiency disease
- Dutch elm disease
- an infectious disease
- hoof and mouth disease
+ germ theory of disease
+ 1862, Pasteur and the germ theory of disease
- the death of dopaminergic neurons in the substantia nigra, Parkinson's disease
- characterized by involuntary tremors or shaking, Parkinson's disease
+ 1817, J. Parkinson and Parkinson's disease
- social disease
- a sexually-transmitted disease, venereal disease
- Ebola hemorrhagic fever, Ebola virus disease
- 1976, West Africa and Ebola virus disease
- microcephaly, Zika virus disease
- 1947, Uganda and Zika virus disease
- a wasting disease
+ side dish
+ to wash the dishes
+ dishwasher
+ 1889, Cochran and the dishwasher
- slipped disk
- I dislike
- was greeted with dismay
+ a theme park, Disneyland
+ 1955, Disney and Disneyland
+ circular insanity, bipolar disorder
- characterized by periods of depression and periods of elevated mood, bipolar disorder
+ late 1800s, Kraepelin and bipolar disorder
- characterized by over two weeks of low mood, major depressive disorder
- ADHD, Attention Deficit Hyperactivity Disorder
- a nervous disorder
- OCD, obsessive-compulsive disorder
- post-traumatic stress disorder
+ the hospital dispensary
+ a soap dispenser
+ a defense, dispersion
+ at my disposal
+ to have a cheerful disposition
+ no room for dispute
- in dispute
+ settled the dispute
- in a state of disrepair
+ to keep someone at a distance
+ within hearing distance
+ to keep my distance
- in the distance
+ within walking distance
- four miles distant
+ a person of distinction
+ making fine distinctions
+ a defense, distraction
- a ship in distress
+ a postal district
- red-light district
- a deep-seated distrust
- rusty from disuse
- to drive a car into a ditch
- crash dive
+ pearl diver
+ to create a diversion
+ the swallow dives
- great divide
+ a quarterly dividend
+ to pay dividends
+ the Divinity
+ long division
+ short division
+ do-it-yourself, DIY
+ day-month-year, DMY
+ deoxyribonucleic acid, DNA
+ a carrier of genetic information, DNA
- junk DNA
+ 1972, Ohno and junk DNA
+ I do
+ to do it as I do
- to do as I say, not as I do
+ will do
+ to work as hard as they do
- a difficult thing to do
+ dry dock
+ Dr., Doctor
+ became a doctor
+ determined to become a doctor
+ to fetch a doctor
+ family doctor
+ herb doctor
- witch doctor
+ a name used in legal proceedings for an unidentified person, John Doe
+ a pet, dog
+ Eskimo dog
+ a service dog, guide dog
+ 1929, M. Frank and the guide dog
+ a fast food, hot dog
+ 1880, Feuchtwanger and the hot dog
+ to love me, to love my dog
+ to call off my dog
+ to walk my dog
+ police dog
- takes some doing
+ DIY, do-it-yourself
- in the doldrums
+ anatomically-correct doll
+ fashion doll
+ paper doll
+ rag doll
+ a sea animal, dolphin
- the sonar and the dolphin
+ in the public domain
+ a geodesic polyhedron, geodesic dome
+ 1922, Bauersfeld and the geodesic dome
+ a mobile all-weather air defense system, Iron Dome
+ 2011, Israel and the Iron Dome
+ a game, dominoes
+ 960-1279, Chinese and dominoes
+ must see what can be done
+ to determine what is to be done
+ blood type O, an universal donor
+/- an anonymous donor
+ dos and don'ts
+ to mind you lock the car door
- at death's door
+ Dutch door
+ fire door
+ next door
+ revolving door
+ 1888, Van Kannel and the revolving door
+ side door
+ sliding door
+ automatic sliding door
+ stage door
+ storm door
+ swinging door
+ to answer the door
+ to see who is at the door
- hanged himself behind the door
+ to close the door
+ to fit a lock on the door
+ to open the door
+ kindly shut the door
+ to show them the door
+ out of doors
+ on my doorstep
+ polka dots
+ without a doubt
+ beyond doubt
+ no doubt
+ to have no doubt
+ no shadow of doubt
- to see double
- with doubt
+ without doubt
+ to remove the last of my doubts
+ to raise doubts
+ a thick mixture of flour, yeast, etc. and liquid, dough
- a stiff dough
+ white dove
+ paid $200 down
- down and down and down
+ up and down
+ to jump up and down
- to break down
- to burn down
- to close down
- fell down
+ to go down
- three goals down
+ to let my hair down
+ hands down
- gunned him down
+ to jot it down
+ to scale it down
+ to track it down
+ to write it down
+ to go and lie down
+ to beat me down
+/- up or down
+ to quiet down
+ to settle down
+ to sit down
+/- to slow down
- thumbs down
+ to touch down
- to turn down
+ flagged the vehicle down
- to vote down
- conspired to bring about his downfall
- on the downgrade
- to go downhill
+ to think before you download
+/- ups and downs
- moved downward
+ half a dozen
+ sold by the dozen
+ to pack them in dozens
+ Doctor, Dr.
+ bank draft
+/- brain drain
+ toilets and drains
+ chest of drawers
+ line drawing
+ mechanical drawing
+ reached my goals and dreams
+ a book, The Interpretation of Dreams
+ 1900, S. Freud and The Interpretation of Dreams
+ evening dress
+ fancy dress
+ formal dress
+ full dress
+ exquisite taste in dress
+ maternity dress
+ a thin dress
+ French dressing
+ salad dressing
+ window dressing
+ continental drift
+ 1912, Wegener and continental drift
+ electric drill
+ 1895, Fein and the electric drill
+ a fire drill
+ pneumatic drill
+ 1861, Sommelier and the pneumatic drill
- the ideation of an alcoholic; to drink, drink, drink
+ bought everyone a drink
+ food and drink
+ carbonated drink
+ tall drink
+ to think before you drink
- a heavy drinker
- heavy drinking
+ a round of drinks
- postnasal drip
+ flash memory with an integrated USB interface, USB flash drive
+ 2001, Pua and USB flash drive
+ four-wheel drive
+ 1903, Jacobus, Spijker, and four-wheel drive
+ front-wheel drive
+ left-hand drive
+ 1908, Ford and the left-hand drive
+ rear-wheel drive
+ right-hand drive
+ test drive
+ a good driver
- hit-and-run driver
- a new driver
- a poor driver
+ screws and screw driver
+ the beetle drones(sound)
+ 1907, Times Square and New Year's Eve ball drop
+ cough drop
+ to drink it to the very last drop
+ lemon drop
+ eye dropper
+ eye drops
+ sulfa drug
+ 1932, Domagk, Klarer, Mietzsch, and sulfa drug
+ wonder drug
- grapefruit and drugs
- addictive, hard drugs
- busted for possession of drugs
- dependent on drugs
+ potent drugs
+ not addictive, soft drugs
+ hand drum
+ snare drum
+ to play the drum
- to feel drunk
- am drunk
+ to blow dry
- to run dry
+ clothes washer and dryer
+ mind-body dualism
+ 1637, Descartes and mind-body dualism
+ drake and duck
- lame duck
+ a fairly tale, The Ugly Duckling
+ 1843, Andersen and The Ugly Duckling
+ duck and ducklings
+ was struck dumb
+ sand dune
+ in duplicate
+ gold dust
+ star dust
- to bite the dust
+ feather duster
+ to go Dutch
+ the Dutch
+ household duties
+ my multifarious duties
- torn between love and duty
+ guard duty
- off duty
+ on duty
+ Snow White and seven dwarfs
+ multifamily dwellings
+ dynamite
+ 1867, Nobel and dynamite
+ to extinguish an oil well fire with dynamite
- muscular dystrophy