Standard Lemma guide

IRT

name · noun · prep_phrase · 7 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

name

Meaning 1

Initialism of Interborough Rapid Transit Company.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

name

Meaning 2

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

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

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

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Examples

  • Take the IRT to Atlantic and change for the R.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Initialism of item response theory.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, countable, initialism, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

Initialism of investigation and recovery team.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, countable, initialism, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

noun

Meaning 6

Initialism of independent review team

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, countable, initialism, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

prep_phrase

Meaning 7

Initialism of in reference to or in regard to.

Definition source: English Wiktionary via Wiktextract

Usage: abbreviation, alt-of, initialism

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: WRT

Antonyms: none provided

History

Etymology

Abbreviation.