immunosuppress

[ im-yuh-noh-suh-pres, ih-myoo- ]
/ ˌɪm yə noʊ səˈprɛs, ɪˌmyu- /

verb (used with or without object)

to suppress the normal immune response.

Origin of immunosuppress

1965–70; back formation from immunosuppression or immunosuppressive