Added 7 October 2026 sinuous /ˈsɪn.ju.əs/ adjective Categories: Describing WordsRare Words In Latin: sinuōsus Wiktionary adjective ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about sinuous at Wordnik → Where our words come from → Curved or curving in and out. wiggly lines Gracefully thin and bending and moving with ease. Related Words: sinuatecurvedcurvingwigglycrookedtwistytortuouswavyconvolutedrillesnakyrilles Back to today's word