irrationality

• POS: Noun
• HYPHEN: ir=ra=tion=al=i=ty

CIDE DICTIONARY

irrationality, n. 

 The quality or state of being irrational; absence of rationality.  South.  [1913 Webster]

THESAURUS

irrationality

Urdummheit, aberration, abnormality, alienation, antilogy, brain damage, brainlessness, brainsickness, callowness, childishness, clouded mind, craziness, daftness, dementedness, dementia, derangement, disorientation, distraction, folie, foolishness, furor, ignorance, illogic, illogicality, illogicalness, immaturity, imprudence, inadvisability, inattention, incapacity, inconclusiveness, incongruity, inconsideration, inconsistency, indiscreetness, indiscretion, ineptitude, inexpedience, injudiciousness, insaneness, insanity, invalidity, lackbrainedness, lackwittedness, loss of mind, loss of reason, low IQ, lunacy, madness, mania, mental deficiency, mental derangement, mental disease, mental disorder, mental disturbance, mental illness, mental instability, mental sickness, mental weakness, mind overthrown, mindlessness, mindsickness, oddness, pixilation, pompousness, possession, primal stupidity, puerility, queerness, rabidness, reasonlessness, recklessness, senselessness, shattered mind, sick mind, sickness, slackmindedness, slackwittedness, strangeness, stuffiness, thoughtlessness, unbalance, unbalanced mind, unintellectuality, unintelligence, unreason, unreasonableness, unsaneness, unscientificness, unsensibleness, unsound mind, unsoundness, unsoundness of mind, untenableness, unthoughtfulness, unwisdom, unwiseness, witlessness

ROGET THESAURUS

irrationality

Folly

N imbecility folly, want of intelligence &c, want of intellect, shadowness, silliness, foolishness, imbecility, incapacity, vacancy of mind, poverty of intellect, weakness of intellect, clouded perception, poor head, apartments to let, stupidity, stolidity, hebetude, dull understanding, meanest capacity, shortsightedness, incompetence, one's weak side, not one's strong point, bias, infatuation, simplicity, puerility, babyhood, dotage, anility, second childishness, fatuity, idiocy, idiotism, driveling, folly, frivolity, irrationality, trifling, ineptitude, nugacity, inconsistency, lip wisdom, conceit, sophistry, giddiness, eccentricity, extravagance, rashness, act of folly, unintelligent, unintellectual, unreasoning, mindless, witless, reasoningless, brainless, halfbaked, having no head, not bright, inapprehensible, weak headed, addle headed, puzzle headed, blunder headed, muddle headed, muddy headed, pig headed, beetle headed, buffle headed, chuckle headed, mutton headed, maggoty headed, grossheaded, beef headed, fat witted, fat-headed, weak-minded, feeble-minded, dull minded, shallow minded, lack- brained, rattle-brained, rattle headed, half witted, lean witted, short witted, dull witted, blunt-witted, shallow-pated, clod-pated, addle- pated, addle-brained, dim-sighted, short-sighted, thick-skulled, weak in the upper story, shallow, borne, weak, wanting, soft, sappy, spoony, dull, dull as a beetle, stupid, heavy, insulse, obtuse, blunt, stolid, doltish, asinine, inapt, prosaic, hebetudinous, childish, child-like, infantine, infantile, babyish, babish, puerile, anile, simple, old-womanish, fatuous, idiotic, imbecile, driveling, blatant, babbling, vacant, sottish, bewildered, blockish, unteachable Boeotian, Boeotic, bovine, ungifted, undiscerning, unenlightened, unwise, unphilosophical, apish, simious, foolish, silly, senseless, irrational, insensate, nonsensical, inept, maudlin, narrow-minded, bigoted, giddy, rash, eccentric, foolish, unwise, injudicious, improper, unreasonable, without reason, ridiculous, absurd, idiotic, silly, stupid, asinine, ill-imagined, ill-advised, ill-judged, ill-devised, mal entendu, inconsistent, irrational, unphilosophical, extravagant, sleeveless, idle, pointless, useless, inexpedient, frivolous, Davus sum non, a fool's bolt is soon shot clitellae bovi sunt im, fools rush in where angels fear to tread, il n' a ni bouche ni eperon, the bookful blockhead, ignorantly read, to varnish nonsense with the charms of sound.