\ ˈā-ˈwən
\
\
Definition of A1
1
: having the highest possible classification
—used of a ship
2
: of the finest quality : first-rate
Synonyms & Antonyms for A1
Synonyms
- A-OK,
- 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,
- excellent,
- 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-notch,
- top-of-the-line,
- top-shelf,
- topflight,
- topping
- [chiefly British],
- unsurpassed,
- wizard
- [chiefly British],
- wonderful
Antonyms
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From the Editors at Merriam-Webster
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Cite this Entry
“A1.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/A1. Accessed 11 Aug. 2022.
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Time Traveler for A1
The first known use of A1 was in 1801
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