10 letters · 18 points in Scrabble
adverb in a proud and domineering manner
originEtymology tree Late Latin caballāriusder. Old Occitan cavalierbor. Old Italian cavalierebor. Middle French cavalierbor. English cavalier Middle English -ly English -ly English cavalierly From cavalier + -ly.
Etymology from Wiktionary, CC BY-SA 3.0