13 letters · 20 points in Scrabble
adverb with determination; in a determined manner
originEtymology tree English un- English falter English -ing English faltering English unfaltering Proto-Indo-European *leyg-der. Proto-Germanic *līkąder. Proto-Germanic *-līkaz Proto-Germanic *-ê Proto-Germanic *-līkê Proto-West Germanic *-līkē Old English -līċe Middle English -ly English -ly English unfalteringly From unfaltering + -ly.
Etymology from Wiktionary, CC BY-SA 3.0