Asked in The Twilight Saga What is the opposite of Jasper Cullen's power of empathy ? Immune antonyms. Synonyms: endangered, exposed, liable… Antonyms: insusceptible, invulnerable, unexposed… 2.2 The opposite side of the coin: clues into breaking tolerance in cancer. Synonyms for immune at Thesaurus.com with free online thesaurus, antonyms, and definitions. The opposite of a lacking immune system would be one that is working exceedingly well. Tumour cells and tumour-infiltrating immune cells can help to shape a strong tolerogenic microenvironment that promotes tumour growth and allows metastatic spread. Susceptible: being in a situation where one is likely to meet with harm. Antonyms for immune include susceptible, hindered, liable, unguarded, unprotected, vulnerable, weak, insecure, open and unsheltered. Find descriptive alternatives for immune. Gene research finds opposites do attract This article is more than 11 years old. Top antonyms for immune (opposite of immune) are vulnerable, allergic and exposed. Immunity antonyms. Top antonyms for immunity (opposite of immunity) are vulnerability, susceptibility and weakness.