Antonyms of adj immunogenic

1 sense of immunogenic

Sense 1
immunogenic -- (possessing the ability to elicit an immune response)

INDIRECT (VIA unsusceptible) -> susceptible -- ((often followed by `of' or `to') yielding readily to or capable of; "susceptible to colds"; "susceptible of proof")

Similarity of adj immunogenic

1 sense of immunogenic

Sense 1
immunogenic -- (possessing the ability to elicit an immune response)
       => unsusceptible (vs. susceptible), insusceptible -- (not susceptible to)