f/o

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|fandom slang}} {{init of|en|fictional other}}
2. {{lb|en|aviation}} {{init of|en|first officer}}.
3. {{lb|en|military|aviation}} {{init of|en|flying officer}}.

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