A No. 1
An American colloquial expression meaning top quality, first-rate, or the very best — equivalent to 'A1' or 'the real deal.' It adapts the Lloyd's of London ship classification system (where A1 indicated a vessel in the finest condition) into everyday speech.
Definitions
An American colloquial expression meaning top quality, first-rate, or the very best — equivalent to 'A1' or 'the real deal.' It adapts the Lloyd's of London ship classification system (where A1 indicated a vessel in the finest condition) into everyday speech. Used to praise a person, product, or experience. While the full 'A No. 1' form is now dated, it was common in 19th- and early 20th-century American English. The shortened 'A1' (or 'A-one') persists in casual use today.
Comments
An American colloquial expression meaning first class, superior, or of the highest quality. Derives from the Lloyd's of London ship classification system, where A1 denoted a vessel in perfect condition. Entered American informal speech in the 19th century and was widely used through the mid-20th century. Now feels somewhat dated but remains recognizable as a superlative of quality. The phrase retains nostalgic charm and occasionally appears in ironic or retro contexts where speakers want to evoke a mid-century American voice.
Comments
(US, colloquial) First class, superior.
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