Insensitized

Part of speech: adjective

Definitions

1. To undergo a transformation that leads to reduced sensitivity to emotional or sensory stimuli
2. Experiencing a change that results in a decreased reaction to sensations or emotions
3. Altered so that responses to sensory input or feelings are diminished

Etymology: The core of this word is the Latin verb "sentire," meaning "to feel." It gave English "sentiment" and "consent," and through Medieval Latin "sensitivus" it gave us "sensitive," meaning capable of perceiving or feeling. "Sensitize" is built from that adjective plus the verb-forming suffix "-ize," so it means to make something capable of responding to stimuli. The negative form comes from English's own prefix "in-," meaning "not," attached to the past participle ending "-ed." Something insensitized has had its responsiveness reduced, whether a nerve numbed by a drug or a person hardened to feeling. The prefix works the same way in "inactive" or "incomplete," so the word's structure is transparent: not made sensitive.

Synonyms: desensitized, numbed, unfeeling, indifferent, apathetic

Antonyms: sensitive, responsive, aware, feeling, alert