irrational :: Lexipedia - Where words have meaning

adj. not consistent with or using reason; "irrational fears"; "irrational animals"

adj. real but not expressible as the quotient of two integers; "irrational numbers"

adj. driven insane

disconnected, confused, disjointed, disordered, disorganized, desultory, garbled, illogical, rambling, scattered, unconnected

adj. lacking orderly continuity; "a confused set of instructions"; "a confused dream about the end of the world"; "disconnected fragments of a story"; "scattered thoughts"

indefensible, untenable

adj. (of theories etc) incapable of being defended or justified

incongruous, unreasonable, absurd

adj. inconsistent with reason or logic or common sense; "the absurd predicament of seeming to argue that virtue is highly desirable but intensely unpleasant"- Walter Lippman

senseless, mindless, reasonless

adj. not marked by the use of reason; "mindless violence"; "reasonless hostility"; "a senseless act"

unsound, unstable, mentally ill

adj. suffering from severe mental illness; "of unsound mind"

undue, extraordinary, unreasonable, excessive, inordinate

adj. beyond normal limits; "excessive charges"; "a book of inordinate length"; "his dress stops just short of undue elegance"; "unreasonable demands"

gratuitous, needless, uncalled-for

adj. unnecessary and unwarranted; "a strikers' tent camp...was burned with needless loss of life"

unnecessary, unneeded

adj. not necessary

undue, unwarranted, unjustified

adj. lacking justification or authorization; "unreasonable searches and seizures"; "desire for undue private profit"; "unwarranted limitations of personal freedom"

idle, baseless, groundless, unfounded

adj. without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy"

mindless, vacuous, asinine, fatuous, inane

adj. devoid of intelligence

mad, insane, harebrained

adj. very foolish; "harebrained ideas"; "took insane risks behind the wheel"; "a completely mad scheme to build a bridge between two mountains"

hysteric, hysterical

adj. characterized by or arising from psychoneurotic hysteria; "during hysterical conditions various functions of the human body are disordered"- Morris Fishbein; "hysterical amnesia"

meaningless

adj. having no meaning or direction or purpose; "a meaningless endeavor"; "a meaningless life"; "a verbose but meaningless explanation"

sick, crazy, disturbed, mad, distracted, unbalanced, brainsick, demented, unhinged

adj. affected with madness or insanity; "a man who had gone mad"

insane

adj. afflicted with or characteristic of mental derangement; "was declared insane"; "insane laughter"

illogical, unlogical

adj. lacking in correct logical relation

incoherent

adj. without logical or meaningful connection; "a turgid incoherent presentation"

unreasonable

adj. not reasonable; not showing good judgment

rational

adj. consistent with or based on or using reason; "rational behavior"; "a process of rational inference"; "rational thought"

logical

adj. capable of or reflecting the capability for correct and valid reasoning; "a logical mind"

sane

adj. mentally healthy; free from mental disorder; "appears to be completely sane"

sensible, reasonable

adj. showing reason or sound judgment; "a sensible choice"; "a sensible person"

rational

adj. capable of being expressed as a quotient of integers; "rational numbers"

Using Lexipedia you can visually map out words and concepts in a clean and friendly interface. No more thumbing through a dictionary, or fumbling through a single-word search; with Lexipedia you can see related words, synonyms, antonyms and fuzzynyms. And best of all, it's absolutely free!