desensitize
[verb]
Synonyms: deaden, benumb, blunt, dull, mull, numb

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Antonyms: sensitize

[TahlilGaran] English Synonym Dictionary ▲

de‧sen‧si‧tize (also desensitise British English) /diːˈsensətaɪz, diːˈsensɪtaɪz/ verb [transitive]
to make someone react less strongly to something by making them become used to it
desensitize somebody to something
Does TV desensitize people to violence?
—desensitization /diːˌsensətaɪˈzeɪʃən, diːˌsensɪtaɪˈzeɪʃən $ -tə-/ noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲