"desensitizing" in the verb sense
1. desensitize, desensitise
cause not to be sensitive
"The war desensitized many soldiers"
"The photographic plate was desensitized"
2. desensitize, desensitise
"His military training desensitized him"
"desensitizing" in the adjective sense
1. desensitizing, desensitising
making less susceptible or sensitive to either physical or emotional stimuli
Source: WordNet® (An amazing lexical database of English)
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