verb (used with object), im·mu·nized, im·mu·niz·ing.
- to make immune.
- to render harmless or ineffective; neutralize.
- Law. to grant (a witness) immunity.
verb
- to make immune, esp by inoculation
v.1889, from immune + -ize. Related: Immunized; immunizing. v.
- To render immune.
- To produce immunity in, as by inoculation.