Synonyms of unreasoning

unreasoning

adjective

ˌən-ˈrēz-niŋ

as in irrational

not using or following good reasoning

an unreasoning argument based on some false assumptions

Synonyms & Similar Words

• irrational
• unreasonable
• unreasoned
• illegitimate
• weak
• misleading
• illogical
• foolish
• nonrational
• absurd
• fallacious
• inconsequent
• silly
• invalid
• meaningless
• inconsequential
• unsound
• weird
• unusual
• inconsistent
• strange
• odd
• sophistic
• misguided
• specious
• insane
• unconsidered
• random
• reasonless
• nonsensical
• eristic
• asinine
• unaccountable
• inexplicable
• mad
• disordered
• surreal
• disorganized
• preposterous
• senseless
• ill-advised
• unexplainable
• unconvincing
• nutty
• half-baked
• wacky
• peculiar
• rambling
• Kafkaesque

Antonyms & Near Antonyms

• rational
• reasonable
• logical
• sound
• valid
• sensible
• wise
• sane
• justified
• well-founded
• reasoned
• sober
• well-grounded
• enlightened
• commonsense
• just
• informed
• certain
• compelling
• plausible
• persuasive
• clear
• organized
• convincing
• solid
• true
• credible
• cogent
• ordered
• sure
• satisfying
• demonstrated
• confirmed
• established
• validated
• substantiated
• corroborated

Example Sentences

Recent Examples of unreasoning

But in each event—in the living act, the undoubted deed—there, some unknown but still reasoning thing puts forth the mouldings of its features from behind the unreasoning mask. — Literary Hub, 6 July 2026

Roosevelt surely understood that nameless, unreasoning, unjustified fear cannot be eradicated. — New York Times, 9 June 2026

Bainbridge knew about secrets and unreasoning shame. — Christopher Tayler, Harpers Magazine, 27 Jan. 2026

Let sound political prescience but take the place of an unreasoning prejudice, and this will be done. — Frederick Douglass, The Atlantic, 16 Aug. 2017