What are some alternative words for irrational?

Synonyms for irrationalɪˈræʃ ə nl

This thesaurus page is about all possible synonyms, equivalent, same meaning and similar words for the term irrational.

Princeton's WordNet

  1. irrational number, irrational(adj)

    a real number that cannot be expressed as a rational number

    Synonyms:
    irrational, irrational number

    Antonyms:
    lucid, rational, intelligent, thinking(a), sane, demythologized, reasonable, demythologised, reasoning(a), logical, coherent

  2. irrational(adj)

    not consistent with or using reason

    "irrational fears"; "irrational animals"

    Antonyms:
    rational, coherent, reasonable, thinking(a), lucid, demythologized, demythologised, sane, intelligent, logical, reasoning(a)

  3. irrational(adj)

    real but not expressible as the quotient of two integers

    "irrational numbers"

    Antonyms:
    rational, sane, coherent, logical, lucid, reasonable, thinking(a), intelligent, demythologized, demythologised, reasoning(a)

Wiktionary

  1. irrational(adjective)

    Antonyms:
    rational

English Synonyms and Antonyms

  1. irrational

    That is absurd which is contrary to the first principles of reasoning; as, that a part should be greater than the whole is absurd. A paradoxical statement appears at first thought contradictory or absurd, while it may be really true. Anything is irrational when clearly contrary to sound reason, foolish when contrary to practical good sense, silly when petty and contemptible in its folly, erroneous when containing error that vitiates the result, unreasonable when there seems a perverse bias or an intent to go wrong. Monstrous and preposterous refer to what is overwhelmingly absurd; as, "O monstrous! eleven buckram men grown out of two," Shakespeare 1 King Henry IV, act ii, sc. 4. The ridiculous or the nonsensical is worthy only to be laughed at. The lunatic's claim to be a king is ridiculous; the Mother Goose rimes are nonsensical. Compare INCONGRUOUS.

    Synonyms:
    absurd, anomalous, chimerical, erroneous, false, foolish, ill-advised, ill-considered, ill-judged, inconclusive, incorrect, infatuated, ludicrous, mistaken, monstrous, nonsensical, paradoxical, preposterous, ridiculous, senseless, stupid, unreasonable, wild

    Antonyms:
    certain, consistent, demonstrable, demonstrated, established, incontestable, incontrovertible, indisputable, indubitable, infallible, logical, rational, reasonable, sagacious, sensible, sound, substantial, true, undeniable, unquestionable, wise

Dictionary of English Synonymes

  1. irrational(a.)

    Synonyms:
    brutish, brute, void of reason, without reason

  2. irrational(a.)

    Synonyms:
    absurd, unreasonable, preposterous, foolish, silly, unwise, injudicious, extravagant

PPDB, the paraphrase database

List of paraphrases:

unreasonable, absurd, illogical, senseless, unreasonably, mindless, unsound


Translations for irrational

From our Multilingual Translation Dictionary

Get even more translations for irrational »

Translation

Find a translation for the irrational synonym in other languages:

Select another language:

Images & Illustrations of irrational

     Images & Illustrations of irrational Images & Illustrations of irrational Images & Illustrations of irrational

Discuss these irrational synonyms with the community:


Citation

Use the citation below to add these synonyms to your bibliography:

Style:MLAChicagoAPA

"irrational." Synonyms.net. STANDS4 LLC, 2017. Web. 17 Dec. 2017. <http://www.synonyms.net/synonym/irrational>.

Are we missing a good synonym for irrational?

Nearby & related entries:

Alternative searches for irrational:

Thanks for your vote! We truly appreciate your support.