Generally treated as a non-gradable adjective; comparative and superlative forms are normally avoided.
Translations
He seemed immune to the criticism and continued with his work.
Il semblait insensible aux critiques et a continué son travail.
exemptS’emploie surtout dans le registre juridique ou administratif. As a diplomat, she was immune from prosecution under the host country's laws.
En tant que diplomate, elle était exemptée de poursuites en vertu des lois du pays hôte.
After receiving the vaccine, she was immune to the virus.
Après avoir reçu le vaccin, elle était immunisée contre le virus.
Definitions
Resistant to a particular infection or toxin owing to the presence of specific antibodies or sensitized white blood cells. After receiving the vaccine, she was immune to the virus.
Not affected or influenced by something. He seemed immune to the criticism and continued with his work.
Exempt or protected from an obligation or the effects of something. As a diplomat, she was immune from prosecution under the host country's laws.