English

Definition of clueless adjective from the Oxford Advanced Learner's Dictionary

 

clueless

 adjective
adjective
BrE BrE//ˈkluːləs//
 
; NAmE NAmE//ˈkluːləs//
 
(informal, disapproving) Stupid
 
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very stupid; not able to understand or to do something He's completely clueless about computers. Henry was a young and very clueless officer. See related entries: Stupid
See the Oxford Advanced American Dictionary entry: clueless