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IRT

English · Thesaurus

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IRT¹

Where it comes from

Abbreviation.

proper noun

  1. abbreviation, initialism Initialism of Interborough Rapid Transit Company

phrase

  1. abbreviation, initialism Initialism of in reference to or in regard to

    Similar: WRT

noun IRTs

  1. countable, uncountable The subway lines, collectively, formerly run by the Interborough Rapid Transit Company. A Soho sweetheart wants the man who injured her husband thrown in front of the IRT.
  2. abbreviation, countable, initialism, uncountable Initialism of item response theory
  3. abbreviation, countable, initialism, uncountable Initialism of investigation and recovery team
  4. abbreviation, countable, initialism, uncountable Initialism of independent review team

Irt²

proper noun

  1. A river in Cumbria, England, which flows from Wast Water, and into the Irish Sea.

Talk about this word

Cite this
MLA

"IRT." Wiktionary, via Micwyn, micwyn.com/word/irt. Accessed 6 Nov. 2026.

APA

IRT. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/irt

Chicago

"IRT." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/irt.

BibTeX
@misc{irt_2026,
  title = {IRT},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/irt},
  urldate = {2026-11-06}
}