c 3 l 1 u 1 e 1 l 1 e 1 s 1 s 1
8 letters · 10 points in Scrabble
Meaning
adjective totally uninformed about what is going on; not having even a clue from which to infer what is occurring
originEtymology tree English clue Proto-Indo-European *lewh₁- Proto-Indo-European *lewHs-der. Proto-Germanic *leusaną Proto-Germanic *lausaz Proto-Germanic *-lausaz Proto-West Germanic *-laus Old English -lēas Middle English -les English -less English clueless From clue + -less.
Etymology from Wiktionary, CC BY-SA 3.0