Word.ws English Dictionary

irred.

irred. is the abbreviation of irreducible.

irred. is the abbreviation of irredeemable.

Meaning of irreducible

Adjective

irreducible (not comparable)

  1. Not able to be reduced or lessened.
    • With each reduction in the number of railways, there must come, eventually, a decline in interest, if only through reduction in variety; and when it comes to one nationalised railway only we have reached the irreducible minimum.1948 January and February, Cecil J. Allen, “British Locomotive Practice and Performance”, in Railway Magazine, page 48
    Antonyms:
    unincreasable
  2. Not able to be brought to a simpler or reduced form.
  3. Unable to be factorized into polynomials of lower degree, as (x² + 1).
  4. Whose numerator and denominator share no common factor greater than 1.
  5. Unable to be factored into smaller integers; prime.
  6. Whose only divisors are units and associates.

See all 10 meanings of irreducible

Meaning of irredeemable

Adjective

irredeemable

  1. Not redeemable; not able to be restored, recovered, revoked, or escaped.
    • It wavered an instant—then there was a heartrending crash—and the canary-coloured cart, their pride and their joy, lay on its side in the ditch, an irredeemable wreck.1908 October, Kenneth Grahame, The Wind in the Willows, New York, N.Y.: Charles Scribner’s Sons, →OCLC
  2. (usually, currency) Not able to be cancelled by a payment or converted to another form of currency or financial instrument, especially one considered more secure or reliable.
    • The subscribers to a new loan, who mean generally to sell their subscription as soon as possible, prefer greatly a perpetual annuity, redeemable by parliament, to an irredeemable annuity, for a long term of years, of only equal amount.1776, Adam Smith, chapter 3, in The Wealth of Nations

See all 3 meanings of irredeemable

Questions about irred.

What is irred. the abbreviation of?
Irred. is the abbreviation of irreducible.

Words near irred. in the dictionary

  1. irrecoverably
  2. irrecuperable
  3. irrecuperably
  4. irrecusable
  5. irrecusably
  6. irred.
  7. irredeemability
  8. irredeemable
  9. irredeemableness
  10. irredeemables
  11. irredeemably

Source and license

Adapted from Wiktionary: irred. (page history and authors); irreducible (page history and authors); irredeemable (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.

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