immunize

I1M3M3U1N1I1Z10E1
US/ˈɪm.ju.naɪz/

verb

To make someone or something immune to something.

UncommonScrabble 21

Meanings

verbimmunize (third-person singular simple present immunizes, present participle immunizing, simple past and past participle immunized)

present singular third person immunizes · participle present immunizing · participle past immunized · past immunized · alternative immunise

  1. transitiveTo make someone or something immune to something.

    It is now clear that the brevity of an indecent broadcast – be it word or image – cannot immunize it from FCC censure.

    2012, Chief Justice John Roberts, 132 US Supreme Court 2677, June 29
  2. transitiveTo inoculate someone, and thus produce immunity from a disease.

    Subcutaneous immunization with N-PmpC EcN BGs also resulted in significantly higher systemic production of N-PmpC-specific IgG compared to conjunctivally immunized mice.

    2015 December 12, “Delivery of a Chlamydial Adhesin N-PmpC Subunit Vaccine to the Ocular Mucosa Using Particulate Carriers”, in PLOS ONE, →DOI
    3 more examples

    This kind of warfare [i.e., biological] would have us devouring the world’s children in a manner of speaking and those who are immunologically impaired, presuming we were going to immunize our own population but not those of the antagonist. Thus we would be conducting warfare which by definition would be indiscriminate rather than selective. We would lose control of the evolution of the bacteria that we would be releasing in the multitrillions.

    1992, Douglas MacLean, quoting Marc Lappé, “Ethics and Biological Defense Research”, in Raymond A[llan] Zilinskas, editor, The Microbiologist and Biological Defense Research: Ethics, Politics, and International Security (Annals of the New York Academy of Sciences; 666), New York, N.Y.: The New York Academy of Sciences, →ISBN, part II (Ethics of Biological Defense Research), page 112

    At issue is the so-called MMR vaccine, which immunizes children against measles, mumps and rubella, three potentially deadly diseases that were once common and have been mostly wiped out.

    2002 February 10, Sarah Lyall, “Britain Tries to Quell Fear Over Vaccine for Children”, in The New York Times

    Authorizing a vaccine before that may undermine the public’s trust in the regulatory process, and deter parents who are already anxious about immunizing their children, they warn.

    2022 February 9, Apoorva Mandavilli, “The Next Vaccine Debate: Immunize Young Children Now, or Wait?”, in The New York Times

    Synonyms: inoculate, vaccinate, vaccine

Synonyms & antonyms

verbTo inoculate someone, and thus produce immunity from a disease.

More synonyms by meaning

verbgrant immunity from prosecution

Similar
Broader

verbperform vaccinations or produce immunity in by inoculation

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Frenchimmuniser
  2. Englishimmunize

From French immuniser, equivalent to immune + -ize.

Full word history & related roots →

Translations

Bulgarian имунизирам
  • имунизирам (imuniziram)to inoculate someone, as thus produce immunity from a disease
Catalan immunitzar, immunitzar
  • immunitzarto make someone or something immune to something
  • immunitzarto inoculate someone, as thus produce immunity from a disease
Chinese Mandarin 使免疫, 使免疫
  • 使免疫 (shǐ miǎnyì)to make someone or something immune to something
  • 使免疫 (shǐ miǎnyì)to inoculate someone, as thus produce immunity from a disease
Dutch immuniseren
  • immuniserento make someone or something immune to something
Esperanto imunigi
  • imunigito make someone or something immune to something
Finnish immunisoida, rokottaa
  • immunisoidato make someone or something immune to something
  • rokottaato inoculate someone, as thus produce immunity from a disease
French immuniser, immuniser
  • immuniserto make someone or something immune to something
  • immuniserto inoculate someone, as thus produce immunity from a disease
German immunisieren, immunisieren
  • immunisierento make someone or something immune to something
  • immunisierento inoculate someone, as thus produce immunity from a disease
Latin immūnizō
  • immūnizōto make someone or something immune to something
Malay mengimunkan
  • mengimunkanto make someone or something immune to something
Māori tuku awhikiri, tuku awhikiri
  • tuku awhikirito make someone or something immune to something
  • tuku awhikirito inoculate someone, as thus produce immunity from a disease
Polish uodparniać, uodpornić
  • uodparniaćto make someone or something immune to something
  • uodpornićto make someone or something immune to something
  • uodparniaćto inoculate someone, as thus produce immunity from a disease
  • uodpornićto inoculate someone, as thus produce immunity from a disease
Portuguese imunizar
  • imunizarto make someone or something immune to something
Russian иммунизи́ровать, иммунизи́ровать
  • иммунизи́ровать (immunizírovatʹ)to make someone or something immune to something
  • иммунизи́ровать (immunizírovatʹ)to inoculate someone, as thus produce immunity from a disease
Slovak imunizovať, imunizovať
  • imunizovaťto make someone or something immune to something
  • imunizovaťto inoculate someone, as thus produce immunity from a disease
Spanish inmunizar, inmunizar
  • inmunizarto make someone or something immune to something
  • inmunizarto inoculate someone, as thus produce immunity from a disease
Swedish immunisera
  • immuniserato make someone or something immune to something
Ukrainian імунізува́ти, імунізува́ти
  • імунізува́ти (imunizuváty)to make someone or something immune to something
  • імунізува́ти (imunizuváty)to inoculate someone, as thus produce immunity from a disease
Cite this entry
APA

immunize. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/immunize

MLA

“immunize.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/immunize. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “immunize,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/immunize.

Source: immunize on Wiktionary, CC BY-SA 4.0.