Definition as Adjective

• of the highest quality

• ace, crack, first-rate, super, tiptop, topnotch, top-notch, tops

• "an ace reporter"; "a crack shot"; "a first-rate golfer"; "a super party"; "played top-notch tennis"; "an athlete in tiptop condition"; "she is absolutely tops"

• A-one vs ace
• A-one vs crack
• A-one vs first-rate
• A-one vs super
• A-one vs tiptop
• A-one vs topnotch
• A-one vs top-notch
• A-one vs tops