A1
adjective
ˈā-ˈwən 
1
: having the highest possible classification —used of a ship
2
: of the finest quality : first-rate
Synonyms
- A-OK
- awesome
- bang-up
- banner
- beautiful
- blue-chip
- blue-ribbon
- boffo
- bonny [chiefly British]
- bonnie
- 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
- gangbuster
- gilt-edged
- gilt-edge
- gone [slang]
- grand
- great
- groovy
- heavenly
- high-class
- hot
- hype [slang]
- immense
- jim-dandy
- keen
- lovely
- marvelous
- marvellous
- mean
- neat
- nifty
- noble
- number one
- 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
See all Synonyms & Antonyms 
Example Sentences
The car's in A1 condition. an A1 mom deserves only the very best Mother's Day card
Word History
First Known Use
1801, in the meaning defined at sense 1
A1
adjective
as in excellent
of the very best kind an A1 mom deserves only the very best Mother's Day card Synonyms & Similar Words
Relevance
- excellent
- superb
- terrific
- lovely
- awesome
- fantastic
- wonderful
- great
- stellar
- fabulous
- beautiful
- prime
- fine
- quality
- classic
- famous
- marvelous
- hot
- top
- marvellous
- superior
- superlative
- too much
- capital
- bumper
- par excellence
- heavenly
- number one
- out of this world
- fab
- banner
- exceptional
- slick
- neat
- sterling
- primo
- sensational
- choice
- cracking
- topping
- divine
- splendid
- corking
- frontline
- boss
- peachy keen
- good
- No. 1
- dynamite
- prize
- dope
- unsurpassed
- immense
- peachy
- topflight
- cool
- brag
- down
- bully
- top-of-the-line
- numero uno
- supernal
- mean
- keen
- grand
- first-class
- bonny
- dandy
- decent
- nifty
- top-notch
- wizard
- prizewinning
- boffo
- swell
- gone
- gangbusters
- four-star
- phat
- groovy
- noble
- hype
- first-rate
- five-star
- high-class
- brave
- blue-chip
- radical
- fantabulous
- crackerjack
- righteous
- A-OK
- all right
- gilt-edged
- acceptable
- top-shelf
- better
- satisfactory
- adequate
- gilt-edge
- gangbuster
- tip-top
- standard
- jim-dandy
- blue-ribbon
- special
- first-string
- out-of-sight
- bonnie
- premium
- classical
- passable
- bang-up
- traditional
- select
- superfine
- tolerable
- OK
- fancy
- high-grade
- okay
- high-test
Antonyms & Near Antonyms
- execrable
- awful
- terrible
- poor
- inferior
- lousy
- atrocious
- vile
- substandard
- pathetic
- unsatisfactory
- wretched
- bad
- rotten
- mediocre
- low-grade
- middling
- second-class
- second-rate