aff.

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|legal}} {{abbreviation of|en|affidavit}}.
2. {{abbreviation of|en|affair}}.
3. {{lb|en|grammar}} {{abbreviation of|en|affix}}.
4. {{abbreviation of|en|affiliation,[[affiliated]] (with)}}.

Adjective

1. {{lb|en|biology|taxonomy}} {{l|la|affinis}}; having affinity with (but not identical to)
2. {{lb|en|legal|archaic}} {{abbreviation of|en|affirmed|addl=in case citations}}.

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