Irrational

  • 21irrational — irrationally, adv. irrationalness, n. /i rash euh nl/, adj. 1. without the faculty of reason; deprived of reason. 2. without or deprived of normal mental clarity or sound judgment. 3. not in accordance with reason; utterly illogical: irrational… …

    Universalium

  • 22irrational — 1. adjective /ɪˈræʃ.(ə.)nəl/ a) Not rational; unfounded or nonsensical. an irrational decision b) Of a real number, that cannot be written as the ratio of two integers. The number pi; is irrational …

    Wiktionary

  • 23irrational — adj. VERBS ▪ appear, be, seem ▪ become ▪ consider sth, regard sth as, see sth as ▪ dismiss sth as …

    Collocations dictionary

  • 24irrational — ir|ra|tion|al [ ı ræʃənl ] adjective done or happening without clear or sensible reasons: irrational violence/fear/panic The market s enthusiasm for high tech stocks was irrational but understandable. a. not thinking or behaving in a clear… …

    Usage of the words and phrases in modern English

  • 25irrational — UK [ɪˈræʃ(ə)nəl] / US [ɪˈræʃən(ə)l] adjective a) done or happening without clear or sensible reasons irrational violence/fear/panic The market s enthusiasm for high tech stocks was irrational but understandable. b) not thinking or behaving in a… …

    English dictionary

  • 26irrational — ir•ra•tion•al [[t]ɪˈræʃ ə nl[/t]] adj. 1) lacking the faculty of reason; deprived of reason 2) lacking sound judgment or logic: irrational arguments[/ex] 3) not controlled or governed by reason: irrational behavior[/ex] 4) math. a) (of a number)… …

    From formal English to slang

  • 27irrational — Not rational; unreasonable (contrary to reason) or unreasoning (not exercising reason). [L. irrationalis, without reason] * * * ir·ra·tio·nal ( )ir (r)ash nəl, ən əl adj not rational: as a) lacking usual or normal mental clarity or coherence… …

    Medical dictionary

  • 28irrational — I (New American Roget s College Thesaurus) adj. unreasonable, insensible; brainless, brutish, reasonless, absurd. See folly. Ant., rational, reasonable. II (Roget s IV) modif. 1. [Illogical] Syn. unreasonable, specious, fallacious, untenable; see …

    English dictionary for students

  • 29irrational — ir|ra|tion|al [ıˈræʃənəl] adj not based on clear thought or reason = ↑unreasonable ≠ ↑rational, reasonable ↑reasonable ▪ an irrational fear of flying ▪ He s becoming increasingly irrational. >irrationally adv >irrationality [ıˌræʃəˈnælıti]… …

    Dictionary of contemporary English

  • 30irrational — [[t]ɪræ̱ʃən(ə)l[/t]] ADJ GRADED If you describe someone s feelings and behaviour as irrational, you mean they are not based on logical reasons or clear thinking. ...an irrational fear of science. Syn: unreasonable Ant: rational Derived words:… …

    English dictionary