'desensitize' definitions:

Definition of 'desensitize'

From: WordNet
verb
Cause not to be sensitive; "The war desensitized many soldiers"; "The photographic plate was desensitized" [syn: desensitize, desensitise] [ant: sensitise, sensitize]
verb
Make insensitive; "His military training desensitized him" [syn: desensitize, desensitise] [ant: sensibilise, sensibilize, sensify, sensitise, sensitize]

Definition of 'desensitize'

From: GCIDE
  • desensitize \desensitize\ v. t. to rendered insensitive or less sensitive. Opposite of sensitize.
  • Syn: deaden. [WordNet 1.5]

Synonyms of 'desensitize'

From: Moby Thesaurus