Search Result for "clueless": 
Wordnet 3.0

ADJECTIVE (1)

1. totally uninformed about what is going on; not having even a clue from which to infer what is occurring; 



The Collaborative International Dictionary of English v.0.48:

clueless \clueless\ adj.
   1. not providing any clue.
      [PJC]

   2. completely uninformed or unaware; hopelessly ignorant;
      utterly bewildered.
      [PJC]


WordNet (r) 3.0 (2006):

clueless
    adj 1: totally uninformed about what is going on; not having
           even a clue from which to infer what is occurring