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Synonyms for A-one

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also A-1
adjective

(Informal)

Exceptionally good of its kind:

ace, banner, blue-ribbon, brag, capital, champion, excellent, fine¹, first-class, first-rate, prime, quality, splendid, superb, superior, terrific, tiptop, top. (Informal) bully, dandy, great, swell, topflight, topnotch. (Slang) boss. (Chiefly British) tophole. See good

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