clueless

From clue +‎ -less.

• IPA^(key): /ˈkluː.ləs/

• Audio (US):

  (file)

• Homophone: clewless
• Rhymes: -uːləs

clueless (comparative more clueless, superlative most clueless)

1. Lacking knowledge or understanding; uninformed; oblivious.
2. Without any clues or hints.
   • 2010, Kathleen Newberg, Faux Finish, page 97:

     The shifting shapes mimicked the dilemma of the nearly clueless mystery of the Higgins Grove murders. As soon as the picture formed into something recognizable, it morphed into something else.

• See also Thesaurus:naive
• See also Thesaurus:ignorant

• (antonym(s) of “uninformed”): clueful, informed

• cluelessly
• cluelessness