clueless is a valid English word

Scrabble validity: valid ( international - Sowpods, US - Twl06 )
iScramble validity: valid
QuickWords validity: valid

Meanings

Adjective (COMPARABLE)

Lacking knowledge or understanding; uninformed; oblivious.
Without any clues or hints.

clueless is a Scrabble valid word

c3l1u1e1l1e1s1s1

• International English (Sowpods) - The word is valid in Scrabble ✔
• US English (TWL06) - The word is valid in Scrabble ✔
• 10 points

clueless is an iScramble, QuickWords valid word

c1l2u3e4l5e6s7s8

• The word is valid in iScramble ✔
• The word is valid in QuickWords ✔
• 36 points

Same letters words (Anagrams)

• none

Same letters plus one

• UNCLELESS

Same letters minus one

• CUELESS