WordReference Random House Unabridged Dictionary of American English © 2026
hy•po•sen•si•tize
(hī′pə sen′si tīz′),USA pronunciation v.t., -tized, -tiz•ing. [Med.]
hy′po•sen′si•ti•za′tion, n.
- Medicineto cause (a person) to become less sensitive to (a substance producing an allergic reaction);
desensitize.
- hypo- + sensitize 1930–35