7 letters · 7 points in Scrabble
adjective curved or curving in and out
originEtymology tree Proto-Indo-European *sinos Proto-Italic *sinus Latin sinus Proto-Indo-European *h₃ed- Proto-Indo-European *-os Proto-Indo-European *h₃édosder.? Proto-Italic *-ōtsos or *-otsos Latin -ōsus Latin sinuōsuslbor. English sinuous Learned borrowing from Latin sinuōsus.
Etymology from Wiktionary, CC BY-SA 3.0