fo

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|aviation}} {{init of|en|first officer}}.
2. {{init of|en|field officer}}.
3. {{lb|en|logic|computer science}} {{init of|en|first-order logic}}.
4. {{senseid|en|Q214199}} {{init of|en|fuel oil<id:Q214199>}}.
5. {{lb|en|UK}} {{init of|en|Foreign Office}}.

Interjection

1. {{lb|en|Internet slang|text messaging|vulgar}} {{initialism of|en|fuck off}}.

Adjective

1. {{lb|en|civil engineering}} {{init of|en|[[functionally]] [[obsolete]]}} (no longer compliant with current standards or capable of handling current requirements)

Proper noun

1. {{lb|en|archaic}} [[Buddha]], in the context of [[Chinese Buddhism]].

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