Mindless (5)
'mindless' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for inane that I've seen before include "unimaginitive" , "Witless and pointless" , "Absurd" , "Mindlessly silly" , "Foolish, silly" .)
'mindless' is the definition.
(synonyms)
This is all the clue.
(Other definitions for asinine that I've seen before include "simple" , "Stubborn" , "Extremely stupid or foolish" , "Stupid (as a donkey?)" , "Donkey-like" .)
(Other definitions for vacuous that I've seen before include "Empty-headed" , "Hollow" , "Empty, stupid" , "Devoid of significance or point" , "Lacking intelligent ideas" .)
'mindless' is the definition.
(thesaurus)
This is all the clue.
(Other definitions for stupid that I've seen before include "dope" , "Without much intelligence" , "Idiot" , "Unintelligent, really thick" , "Not intelligent, thick" .)