a2
- BPA, bisphenol A
+ plan A
+ an anti-infective, vitamin A
+ 1913, McCollum and vitamin A
- universal recipient, blood type AB
+ abacus
+ 200 BC, China and the abacus
- to abandon, to abandon, to abandon
+ head, thorax, and abdomen
+ dependent on ability
- to abort, to abort, to abort
+ up and about
+ over and above
+ mentioned above
+ to uproot ourselves and live abroad
+ a legitimate reason for absence
+ can accept an occasional absence
+ cannot accept repeated absences
- child abuse
+ alternating current, AC
+ I accept
+ a fashion accessory
- an accident
- an awful accident
+ to accept liability for the accident
- to disclaim responsibility for the accident
+ checking account
+ expense account
+ a joint account
+ to charge it to my account
+ savings account
+ a summary account
+ trust account
+ the pleasure center of the brain, nucleus accumbens
+ located in the basal forebrain before the hypothalamus, nucleus accumbens
+ pinpoint accuracy
+ to repudiate the accusation
+ an analgesic and anti-pyretic, acetaminophen
+ 1953, Gerhardt and acetaminophen
+ an enviable achievement
+ a monumental achievement
+ a splendid achievement
+ paid homage to his achievements
+ proud of my son's achievements
+ an organic compound, amino acid
+ 1806, Vauquelin, Robiquet, and amino acid
+ the building block of protein, proteinogenic amino acid
+ a concentrated acid
+ DNA, deoxyribonucleic acid
+ a dilute acid
+ 1.5-3.5 pH of human gastric acid
+ a highly corrosive acid, nitric acid
+ a strong corrosive acid, sulfuric acid
+ 1746, Roebuck and sulfuric acid
+ 22 proteinogenic amino acids
- a nodding acquaintance
+ a sex act
- caught in the act
- vanishing act
- job action
+ police action
+ reflex action
+ to take action
+ indoor activities
+ outdoor activities
+ character actor
+ character actress
+ acupuncture
+ 100 BC, China and acupuncture
+ ear acupuncture
+ 1957, Nogier and ear acupuncture
+ in the year of Our Lord, anno domini, AD
+ BC and AD
- Eve and Adam
+ sons of Adam
- a poisonous viper that inflates the upper part of the body when excited, puff adder
- Africa and puff adders
+ keynote address
- no such address
- Attention Deficit Hyperactivity Disorder, ADHD
+ 1902, Still and ADHD
+ adjective, adj.
+ adj., adjective
+ NASA, National Aeronautics and Space Administration
+ the transition from childhood to adulthood
+ adverb, adv.
+ in advance
+ mechanical advantage
+ tangible advantages
+ recounted his adventures
+ adv., adverb
- deaf to all advice
+ my legal adviser
+/- an advertising-supported software, adware
+ aerosols
+ 1926, Rotheim and aerosols
+ love affair
- a bittersweet love affair
+ foreign affairs
+ to look after my own affairs
+ mutual affection
+ reciprocal affection
+ before and after
+ in the afternoon
- promoting the growth of molds and fairy rings, to water my lawn in the afternoon
+ shortly afterward
+ now and again
+ time and again
+ born again
+ to breathe again
+ went over the plan again
- is her old self again
+ to think again
+ time and time again
+ together again
+ to try again
+ pros and cons, for and against
+ the Atomic Age
+ c. 3300 BC-c. 1300 BC, Bronze Age
- Ice Age
+ c. 1300 BC-c. AD 700, Iron Age
+ legal age
+ mental age
+ middle age
+ of age
+ showing little sign of age
- old age
+ lived to a ripe old age
+ made provision for their old age
+ school age
+ c. 9300 BC-c. 3300 BC, Stone Age
- under age
+ CIA, Central Intelligence Agency
+ a travel agency
- double agent
+ press agent
+ reducing agent
+ secret agent
+ travel agent
+ undercover agent
- 476-1453, Dark Ages
+ c. 1000-1400, Middle Ages
+ a defense, aggregation
- happened long ago
+ to arrive at an agreement
+ a bilateral agreement
+ a blanket agreement
- a conditional agreement
+ permissible under our agreement
+ amended the agreement
+ to set out the terms of the agreement
- to repudiate the agreement
- to violate the agreement
+ forged ahead
+ to go ahead
+ one jump ahead
+ to plan ahead
+ full speed ahead
+ first aid
+ a hearing aid
+ mutual aid
+ visual aid
+ teaching aid
+ teacher's aide
- Acquired Immune Deficiency Syndrome, AIDS
- HIV and AIDS
- 1981, homosexuals and AIDS
+ by air
+ compressed air
+ in the open air
+ in the air
- castles in the air
- with his nose in the air
+ released balloons into the air
+ on the air
+ airbag
+ 1951, Hetrick and the airbag
+ model aircraft
- unscheduled airline
+ airmail
+ the bird and the airplane
+ 1903, the Wright brothers and the airplane
+ international airport
+ a weapon, AK-47
+ 1947, Kalashnikov and the AK-47
- false alarm
+/- fire alarm
+ to raise the alarm
+/- to contain alcohol
+ denatured alcohol
+ methyl alcohol, wood alcohol
+ ginger ale
- red alert
- red alga
+ Boolean algebra
+ 1854, Boole and Boolean algebra
- out of alignment
+ at all
+ not at all
+ for all
+ once and for all
+ in all
+ all in all
- to grasp all, to lose all
+ best of all
- blind alley
+ bowling alley
+ the Allies
- a doubtful ally
+ the Almighty
+ to let well enough alone
+ to leave me alone
+ to stand alone
+ all along
+ to come along!
+ the first letter of the Greek alphabet, alpha
+ the phonetic alphabet
+ ante meridiem, am
+ I am
+ 1637, Descartes and "I think, therefore I am."
+ a principle of philosophy, "I think, therefore I am."
+ an electronic commerce and cloud computing company, Amazon
+ 1994, Bezos and Amazon
+ the elephant ambles(motion)
+ ambulance
+ 1792, Larrey and the ambulance
+ to lie in ambush
+ to bless America
+ Latin America
+ Miss America
+ a TV show, Good Morning America
+ 1975, ABC network and Good Morning America
+ North America
+ 1578, Frobisher and Thanksgiving Day in North America
+ MPAA, Motion Picture Association of America
+ USA, United States of America
+ highly amusing
+ a site to differentiate good or bad, safe or dangerous; amygdala
+ located at the head of the hippocampus, amygdala
+ an almond-shaped structure, amygdala
+ qualitative analysis
+ quantitative analysis
+ systems analysis
+ at anchor
+ sea anchor
+ to raise the anchor and start a voyage, to weigh anchor
- sickle cell anemia
- pernicious anemia
+ spinal anesthesia
+ anesthetics
+ 1846, Morton and anesthetics
- black angel
+ guardian angel
+ an aquarium fish, angelfish
+ Amazon rivers and angelfish
- an outlaw motorcycle club, Hells Angels
- 1948, the Bishop family and the Hells Angels
+ vented his anger
- a blaze of anger
+ oblique angle
+ an angle of more than 90° and less than 180°, obtuse angle
+ right angle
+ at right angles
+ draft animal
+ plants and animals
- extinct animals
+ marine animals
+ nocturnal animals
- savage animals
+ kind to animals
+ 7 to 2, the ratio of clean animals to unclean animals
- sprained ankle
+ 60 years of marriage, diamond anniversary
+ 50 years of marriage, golden anniversary
+ 800/962-1806, Roman and the golden anniversary
+ 1 year of marriage, paper anniversary
+ 40 years of marriage, ruby anniversary
+ 25 years of marriage, silver anniversary
+ 800/962-1806, Roman and the silver anniversary
+ wedding anniversary
+ to want a definite answer
+ the right answer
+ a soft answer
+ to plead for answers
+ to ring until someone answers
- carpenter ant
- fire ant
- white ant
+ antenna
+ a directional antenna
+ a multidirectional antenna
+ 1888, Hertz and the antenna
+ a VHF television antenna, Yagi-Uda antenna
+ 1926, Yagi, Uda, and the Yagi-Uda antenna
+ national anthem
+ antiseptics
+ 1865, Lister and antiseptics
+ an anti-malware software, Norton AntiVirus
+ 1991, Symantec Corp. and Norton AntiVirus
- a congenital defect, imperforate anus
+ no cause for anxiety
+ to set apart
+ cannot tell them apart
+ to take an apartment
+ a luxury apartment
+ a multilevel apartment
+ multistory apartments
+ I apologize
- a clumpsy apology
+ scuba, self-contained underwater breathing apparatus
+ scientific apparatus
+ sex appeal
- failed to appear
- judging by appearances
- cul-de-sac and appendix
- an insatiable appetite
+ a burst of applause
+ thunders of applause
+ a fruit, apple
- Adam's apple
+ to eat an apple
- a bad apple
- crab apple
+ golden apple
+ green apple
+ red apple
- to upset the applecart
+ to buy some apples
+ 1774-1845, a missionary and nurseryman, Johnny Appleseed
+ home appliances
+ to file an application
+ served his apprenticeship
+ very approachable
- unqualified approval
+ dried apricots
+ public aquarium
+ 1853, Gosse and the public aquarium
+ the language of religion, Arabic
+ gum arabic
+ mastery of Arabic
- street Arab
+ triumphal arch
+ a sign of the zodiac, the Archer
+ there are
+ these are
+ they are
+ those are
+ we are
+ you are
+ to come as you are
+ to show the world who you are
+ located in the temporal lobe of the brain, auditory area
- avalanche area
+ located in the left frontal lobe of the brain, Broca's area
+ an area of speech production, Broca's area
+ 1861, Broca and Broca's area
+ catchment area
+ located in the frontal lobes of the brain, decision area
+ 1935, Moniz and the decision area
- disaster area
- a gray area
+ to cover a large area
+ located before the central sulcus of the brain, motor area
+ penalty area
+ picnic area
+ a residential area
+ located behind the central sulcus of the brain, sensory area
+ service area
+ located in the occipital lobe of the brain, visual area
+ an area of language comprehension, Wernicke's area
+ located in the left end of the lateral fissure of Sylvius, Wernicke's area
+ 1874, Wernicke and Wernicke's area
+ located throughout the cortex of the brain, silent areas
+ the pith of the argument
+ arm in arm
- lost the use of his right arm
+ Space Arm
+ 1981, Spar Aerospace and the Space Arm
+ shot in the arm
+ a small burrowing animal covered with bony plates, three-banded armadillo
+ South America and three-banded armadillos
- to fold my arms
+ with open arms
+ to hold a rifle vertically as a salute, to present arms
+ shoulder arms
+ small arms
+ to raise an army
- the army of the USSR, Red Army
- 1918-1946, Lenin, Mao, Stalin, Trotsky, and the Red Army
+ an international charitable organization, The Salvation Army
+ 1865, Booths and The Salvation Army
+ volunteer army
+ up and around
- to hang around
- to play around
+ went right around
+ shopped around
+ quick turn around
- in arrears
- cardiac arrest
+ to have a warrant for his arrest
+ house arrest
- under arrest
+/- have really arrived
+ released an arrow
+ bow and arrows
+/- abstract art
+ commercial art
+ culinary art
+ minimal art
+ work of art
+ optical art
+ pop art
+ state of the art
- rheumatoid arthritis
+ the word "the", definite article
+ the word "a" or "an", indefinite article
+ lead article
+ heavy artillery
+ light artillery
+ a graphic artist
+ a guest artist
+ landscape artist
+ fine arts
+ graphic arts
+ liberal arts
+ martial arts
+ B.A., Bachelor of Arts
+ M.A., Master of Arts
+ performing arts
+ visual arts
+ American Standard Code for Information Interchange, ASCII
+ 1963, American Standards Association and ASCII
- sackcloth and ashes
+ East Asia
+ to brush aside
- to lay aside
- to set aside
- to step aside
+ fell asleep
+ is sound asleep
+ quaking aspen
+ an analgesic and anti-pyretic, aspirin
+ 1899, Dreser and aspirin
x to kiss my ass(vulgar)
x to lick my ass(vulgar)
+ to read the instructions and assemble
+ General Assembly
+ a legislative assembly
- frozen assets
+ teaching assistant
+ YMCA, Young Men's Christian Association
+ YWCA, Young Women's Christian Association
+ on this assumption
- to lead astray
+ radio astronomy
+ 1931, Jansky and radio astronomy
+ political asylum
+ automated teller machine, ATM
+ 1967, Shepherd-Barron and the ATM
+ atomism
+ c. 400 BC, Democritus and atomism
+ with no strings attached
- to launch an attack
- heart attack
+ sneak attack
+ a surprise attack
- under attack
+ repelled the attackers
- abortive attempt
+ to make an attempt
- a crude attempt
- a miserable attempt
+ made a serious attempt
+ to arrest attention
+ to attract attention
+ received close attention
+ to divert attention
+ to draw attention
+ to pay attention
- paid not the slightest attention
+ navel-exposing attire
+ a war of attrition
+ mingled with the audience
+ uncle and aunt
+ maiden aunt
+ 000, the emergency telephone number in Australia
+ 1969, the emergency telephone system in Australia
- to abuse my authority
- exceeded my authority
+ joint authors
- little-known authors
- a neurodevelopmental disorder, autism
- characterized by impaired social interaction, autism
- characterized by repetitively stacking or lining up objects, autism
+ 1943, Kanner and autism
+ fully automated
+ to shut automatically
- of no avail
+ on average
+ law of averages
+ civil aviation
- an illustrated religious magazine, Awake!
- 1919, Jehovah's Witnesses and Awake!
+ to stay awake
+ for outstanding achievements in music industry, Grammy Award
+ 1959, the Recording Academy and Grammy Award
+ a posthumous award
+ to win the award
+ far and away
- turned customers away
+ to live two doors away
- lived farthest away
- gambled my fortune away
- gave the game away
+ waved him away
- to lay away
- to pass away
+ right away
+ to run away
+ to wash the stain away
+ to stow away
+ to wipe my tears away
- to turn away
+ to fill with awe
+ anchors aweigh
- an exclamation, Ay-ay-ay