CLUELESS is a playable word

clueless Scrabble® Dictionary

adjective
hopelessly confused or ignorant
57 Playable Words can be made from "CLUELESS"
   2-Letter Words (3 found)
   3-Letter Words (16 found)
   5-Letter Words (9 found)
   6-Letter Words (2 found)
   8-Letter Words (1 found)