unreason

[ uhn-ree-zuh n ]
/ ʌnˈri zən /
SEE SYNONYMS FOR unreason ON THESAURUS.COM

noun

inability or unwillingness to think or act rationally, reasonably, or sensibly; irrationality.
lack of reason or sanity; madness; confusion; disorder; chaos: a world torn by unreason.

verb (used with object)

to upset or disrupt the reason or sanity of: The devious plot soon unreasoned the general.

Origin of unreason

First recorded in 1250–1300, unreason is from the Middle English word un-reson. See un-1, reason

Words nearby unreason

unreal, unrealistic, unreality, unrealizable, unrealized, unreason, unreasonable, unreasonable behaviour, unreasoning, unreckonable, unrecognizable

Definition for unreasoned (2 of 2)

reasoned
[ ree-zuh nd ]
/ ˈri zənd /

adjective

based on reason: a carefully reasoned decision.
containing reasons: a long, reasoned reply.

Origin of reasoned

First recorded in 1675–85; reason + -ed2

OTHER WORDS FROM reasoned

rea·soned·ly, adverb un·rea·soned, adjective well-rea·soned, adjective

Words related to unreasoned

arbitrary, dear, excessive, exorbitant, extortionate, extreme, far-out, illegitimate, illogical, immoderate, improper, inordinate, intemperate, irrational, overmuch, peremptory, posh, senseless, steep, stiff

Example sentences from the Web for unreasoned

British Dictionary definitions for unreasoned (1 of 2)

reasoned
/ (ˈriːzənd) /

adjective

well thought-out or well presented a reasoned explanation

Derived forms of reasoned

reasonedly, adverb

British Dictionary definitions for unreasoned (2 of 2)

unreason
/ (ʌnˈriːzən) /

noun

irrationality or madness
something that lacks or is contrary to reason
lack of order; chaos

verb

(tr) to deprive of reason