IRT

I1R1T1

noun

The subway lines, collectively, formerly run by the Interborough Rapid Transit Company.

“Take the IRT to Atlantic and change for the R.”

Similar
WRT
Less commonScrabble 3
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Meanings

IRT1

proper noun
  1. abbreviationinitialismInitialism of Interborough Rapid Transit Company.
prepositional phrase
  1. abbreviationinitialismInitialism of in reference to or in regard to.

    Synonyms: WRT

nounIRT (countable and uncountable, plural IRTs)

plural IRTs

  1. countableuncountableThe subway lines, collectively, formerly run by the Interborough Rapid Transit Company.

    Take the IRT to Atlantic and change for the R.

    1 more example

    A Soho sweetheart wants the man who injured her husband thrown in front of the IRT.

    1977 April 30, Steve Blevins, “A Sack-full of Films”, in Gay Community News, page 11
  2. abbreviationcountableinitialismuncountableInitialism of item response theory.
  3. abbreviationcountableinitialismuncountableInitialism of investigation and recovery team.
  4. abbreviationcountableinitialismuncountableInitialism of independent review team

Irt2

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

Synonyms & antonyms

Also see
aboutin regard to

Origin

Abbreviation.

Full word history & related roots →

Rhymes & wordplay

Anagrams

triritTir
Cite this entry
APA

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

MLA

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

Chicago

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

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