irt

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Proper noun

1. {{initialism of|en|[[w:Interborough Rapid Transit Company|Interborough Rapid Transit Company]]}}.

Noun

1. The [[subway]] lines, collectively, formerly run by the [[w:Interborough Rapid Transit Company|Interborough Rapid Transit Company]].
2. {{initialism of|en|item response theory}}.
3. {{init of|en|[[investigation]] and [[recovery]] [[team]]}}.
4. {{init of|en|[[independent]] [[review]] [[team]]}}

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.