Dictionary.com
Thesaurus.com
Synonyms

immune

American  
[ih-myoon] / ɪˈmyun /

adjective

  1. protected from a disease or the like, as by inoculation or by having the necessary antibodies due to a previous infection (often followed byto ).

    Most adults in the study were immune to yellow fever due to previous vaccination.

    Since I had already had measles, I assumed I was immune.

  2. of or relating to the production of antibodies or lymphocytes that can react with a specific antigen.

    Crohn's disease is an abnormal immune reaction that causes the immune system to attack cells in the lining of the digestive tract.

  3. exempt or protected.

    He thought being rich made him immune from punishment, but he went to jail for his crimes.

  4. not responsive or susceptible.

    Over time writers are supposed to grow immune to criticism and let bad reviews roll off our backs.

    You're certainly highly resistant to argument, and also immune to new ideas.


noun

  1. a person who is immune.

immune British  
/ ɪˈmjuːn /

adjective

  1. protected against a specific disease by inoculation or as the result of innate or acquired resistance

  2. relating to or conferring immunity See antibody

    an immune body

  3. unsusceptible (to) or secure (against)

    immune to inflation

  4. exempt from obligation, penalty, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

  1. an immune person or animal

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • hyperimmune adjective
  • nonimmune adjective

Etymology

Origin of immune

First recorded in 1400–50; late Middle English, from Latin immūnis “exempt,” from im- im- 2 + -mūnis ( common )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They act as messengers, telling our cells what to do, and play vital roles in our skin health, immune system and helping to control our hormones.

From BBC

T cells act as the immune system's memory, preserving instructions from past infections so the body can respond quickly in the future.

From Science Daily

Certain muscle and kidney cell populations declined sharply, while immune cells expanded considerably.

From Science Daily

Support performance is not immune from scrutiny; a Pentagon watchdog has recently criticized aspects of F-35 maintenance and aircraft availability.

From MarketWatch

This misinterpretation activates the cell's innate immune system, creating a false alarm that can lead to inflammation and disease.

From Science Daily