15 letters · 20 points in Scrabble
noun the quality of being overpowering and impossible to resist
originEtymology tree English irresistible Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English irresistibility From irresistible + -ity.
Etymology from Wiktionary, CC BY-SA 3.0