Word.ws English Dictionary

IRS

US/ˈaɪ.ɑɹ.ɛs/

IRS is the initialism of Internal Revenue Service.

IRS is the initialism of Indian Revenue Service.

IRS is the initialism of inertial reference system.

IRS is the initialism of Interface Requirements Specification.

IRS is the initialism of instant replay system.

IRS is the initialism of interest rate swap.

Meaning of inertial reference system

Noun

inertial reference system (plural inertial reference systems)

  1. Synonym of inertial navigation system.

Meaning of instant replay system

Noun

instant replay system (plural instant replay systems)

  1. A technology to review controversial or close calls by officials through video playback, allowing for analysis of plays from multiple angles and in slow motion to potentially correct or modify initial decisions.
    Synonyms:
    IRS

Noun capitalized: IRs

IRs

  1. (plural) plural of IR

Synonyms of IRS

Forms of IRS

pluralIRSs

Questions about IRS

What is IRS the initialism of?
IRS is the initialism of Internal Revenue Service.
What part of speech is IRS?
IRS is a noun.
How do you pronounce IRS?
IRS is pronounced /ˈaɪ.ɑɹ.ɛs/ (US).
What is the plural of IRS?
The plural of IRS is IRSs.

Words near IRS in the dictionary

  1. irruptions
  2. irruptive
  3. irruptively
  4. irruptives
  5. irrupts
  6. IRS
  7. IRSF
  8. Irshava
  9. irsogladine
  10. IRSP
  11. IRSs

Source and license

Adapted from Wiktionary: IRS (page history and authors); IRs (page history and authors); inertial reference system (page history and authors); instant replay system (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “IRS.” Word.ws, https://word.ws/irs. Based on Wiktionary, CC BY-SA 4.0.