opf

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Proper noun

1. {{lb|en|file format}} {{init of|en|w:EPUB#Open_Packaging_Format_2.0.1|Open Packaging Format}}, a sub-specification of [[EPUB]].

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