8 letters · 12 points in Scrabble
adjective (of spores or microorganisms) not capable of movement
originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *n̥- Latin im- English im- Latin mōtus Latin -īlislbor. English -ile English motile English immotile From im- + motile.
Etymology from Wiktionary, CC BY-SA 3.0