CLUELESS


Meaning of CLUELESS in English

clue ‧ less /ˈkluːləs/ BrE AmE adjective informal

having no understanding or knowledge of something – used to show disapproval

clueless about

Many teachers are clueless about the needs of immigrant students.

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.