Exempt; protected.

Protected from disease due to the action of the immune system, especially by having been inoculated against or previously exposed to a disease.

Of or pertaining to the immune system or the components of the immune system.

One who is immune; esp., a person who is immune from a disease by reason of previous affection with the disease or inoculation.

Not responsive; as, immune to suggestion.

exempt, not affected, not responsive.

characterized by the capacity to distinguish foreign material from self and to react via the immune response following antigenic challenge (exposure).

Bodyâ€(tm)s defense mechanism by antibodies against foreign organisms.

relating to the condition of immunity; "the immune system"

Referring to a complex series of chemical events that occur in relation to an allergic reaction, the result of which is inflammation.

Under Section 20 of the Trade Union and Labour Relations (Consolidation) Act 1992 a trade union may be immune from legal liability for a tort (a civil wrong against another party) for inducing or threatening to break a contract (i.e. an employment contract between the employer and employee) if done in contemplation or furtherance of a legitimate trade dispute. Immunity can be lost under certain specified circumstances.