Immune

Adjective

Definition: Resistant to a particular infection or toxin owing to the presence of specific antibodies or sensitized white blood cells.

Definition: Not affected or influenced by something.

Synonyms: Resistant, Protected, Invulnerable

Antonyms: Susceptible, Vulnerable, Affected

Examples:
  • He built up an immunity to the virus and became immune to further infection.
  • She was immune to his persuasive tactics and didn't fall for his tricks.
Mnemonics:
  • Think of "immune" as "immunity" which means protection or resistance against something harmful.
  • Remember "immune" as "not affected" or "uninfluenced".

Etymology:

Origin:

Late Middle English from Latin 'immunis', meaning exempt or free.

Historical Usage:

The term "immune" has been used to describe protection against diseases and infections since ancient times. The concept of immunity was recognized in ancient Greece, where some individuals were observed to be immune to specific diseases like smallpox.

Related Idioms:

Idiom:

"Immune system"

Explanation:

Refers to the complex network of cells, tissues, and organs in the body that work together to protect against harmful pathogens and foreign substances.

Misconceptions:

Misconception:

Confusing "immune" with "immune system" or "immunity".

Explanation:

While "immune" is an adjective describing resistance or lack of susceptibility, "immune system" refers to the biological system responsible for protecting the body from diseases and foreign invaders. "Immunity" refers to the overall state of being protected or resistant to specific infections or diseases.

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