The phrase "making less sensitive" refers to the process of reducing sensitivity or dulling feelings. There are several synonyms that can be used to describe this state, including desensitizing, numbing, deadening, blunting, and dulling. Desensitizing is often used to describe the process of reducing sensitivity to a particular stimulus, such as sound or touch. Numbing and deadening refer to the act of reducing sensitivity to pain or emotion. Blunting and dulling are often used to describe the process of reducing the intensity of a feeling or emotion. Regardless of the word used, making less sensitive is a process that is often employed in a variety of contexts, from mental health to physical therapy and beyond.