It indicates that something is not susceptible to a particular condition, disease, or harmful effect.
Here are some examples:
* Water-immune: Resistant to water damage.
* Virus-immune: Protected from a particular virus.
* Disease-immune: Not susceptible to a specific illness.
* Heat-immune: Able to withstand high temperatures without damage.
It's important to note that "immune" often implies a specific type of protection, usually related to the body's natural defenses or acquired immunity through vaccination.