12 letters · 21 points in Scrabble
adjective brusque and surly and forbidding
originEtymology tree English curmudgeon Proto-Indo-European *leyg-der. Proto-Germanic *līkąder. Proto-Germanic *-līkaz Proto-West Germanic *-līk Old English -līċ Middle English -ly English -ly English curmudgeonly From curmudgeon + -ly.
Etymology from Wiktionary, CC BY-SA 3.0