11 letters · 16 points in Scrabble
adjective going directly ahead from one point to another without veering or turning aside
adjective used of values and principles; not subject to change; steady
originEtymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English deviating English undeviating From un- + deviating.
Etymology from Wiktionary, CC BY-SA 3.0