a.a.u.

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Proper noun

1. {{lb|en|US|sports}} {{initialism of|en|w:Amateur Athletic Union}}.<ref>{{R:RHCD|page=1}}</ref><ref>{{R:MW3 1976|page=1}}</ref>

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.