susceptibility
1 antonym for susceptibility — opposites grouped by meaning.
Noun — How easily affected or harmed someone or something is.
Synonyms by Meaning
1. noun
How easily affected or harmed someone or something is.
susceptibleness
Opposites
unsusceptibility
2. noun
(medicine) How well a germ responds to a drug such as an antibiotic, shown as weak, moderate or strong.
Antonyms
unsusceptibility