Desensitize refers to the process of reducing or eliminating a person's sensitivity to something. There are various synonyms for the word desensitize, which include deaden, numb, dull, anesthetize, benumb, tranquilize, and sedate. All these synonyms can be used to describe the process of making a person immune to something. For example, if a person has a fear of needles, desensitization can help them overcome their fear by gradually exposing them to needles until they no longer feel the fear or anxiety associated with it. Likewise, the use of any of these synonyms in the right context can help create a better understanding of the concept of desensitization.