SINCE 1828

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A1

adjective \ ˈā-ˈwən \

Definition of A1

1 :having the highest possible classification —used of a ship

2 :of the finest quality :first-rate

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See A1 defined for kids

Examples of a1 in a Sentence

The car's in A1 condition.
an A1 mom deserves only the very best Mother's Day card

First Known Use of a1

1801

a1 Synonyms

Synonyms

A-OK, excellent, awesome, bang-up, banner, beautiful, blue-chip, blue-ribbon, boffo, bonny (also bonnie) [chiefly British], boss [slang], brag, brave, bully, bumper, capital, choice, classic, cool [slang], corking, crackerjack, cracking, dandy, divine, dope [slang], down [slang], dynamite, fab, fabulous, famous, fantabulous [slang], fantastic, fine, first-class, first-rate, first-string, five-star, four-star, frontline, gangbusters (also gangbuster), gilt-edged (or gilt-edge), gone [slang], grand, great, groovy, heavenly, high-class, hot, hype [slang], immense, jim-dandy, keen, lovely, marvelous (or marvellous), mean, neat, nifty, noble, number one (also No. 1), numero uno, out-of-sight [slang], par excellence, peachy, peachy keen, phat [slang], prime, primo [slang], prize, prizewinning, quality, radical [slang], righteous [slang], sensational, slick, splendid, stellar, sterling, superb, superior, superlative, supernal, swell, terrific, tip-top, top, top-flight, top-notch, top-of-the-line, topping [chiefly British], top-shelf, unsurpassed, wizard [chiefly British], wonderful

Antonyms

atrocious, awful, execrable, lousy, pathetic, poor, rotten, terrible, vile, wretched

Related Words

acceptable, adequate, all right, decent, good, OK (or okay), passable, satisfactory, tolerable; better, exceptional, fancy, high-grade, high-test, premium, select, special, superfine; classical, standard, traditional

Near Antonyms

bad, inferior, low-grade, substandard, unsatisfactory; mediocre, middling, second-class, second-rate

A1 Defined for English Language Learners

A1

adjective

Definition of A1 for English Language Learners

: very good or excellent

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Thesaurus: All synonyms and antonyms for A1

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WORD OF THE DAY

nuncupative

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spoken rather than written

BROWSE DICTIONARY

-a

A'nyêmaqên

A1

A1c

A1C

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Examples: A1 in a Sentence