Added 9 October 2026 flaccid /ˈflæ(k)sɪd/ adjective Categories: Describing WordsRare Words In Latin: flaccidus Wiktionary adjective ! Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about flaccid at Wordnik → Where our words come from → Flabby; lacking firmness or muscle tone. Soft; floppy. Not erect. Not erect. Related Words: flabbylimpweakslacksoftlaxmushysaggytissuefabriccanisterflask Back to today's word