desensitising

(verb) cause not to be sensitive. Synonyms: desensitize, desensitise. Examples: "The war desensitized many soldiers." "The photographic plate was desensitized."

(verb) make insensitive. Synonyms: desensitize, desensitise. Example: "His military training desensitized him."

(adj) making less susceptible or sensitive to either physical or emotional stimuli. Synonyms: desensitizing (vs. sensitizing).