Synonyms of 'imperceptive'
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If you describe someone as insensitive, you are criticizing them for being unaware of or unsympathetic to other people's feelings.
My husband is very insensitive about my problem.
Someone who is obtuse has difficulty understanding things, or makes no effort to understand them.
I think you're being deliberately obtuse.
dozy (British , informal)
slow on the uptake (informal)
dead from the neck up (informal)
thick as mince (Scottish , informal)
Thesaurus for imperceptive from the Collins English Thesaurus
lacking in perception ; obtuse