unreasoning
Not using logic
Unreasoning describes responses or attitudes not guided by rational thought—instinctive, automatic, or beyond logical control.
An unreasoning fear grips someone despite evidence of safety.
Unreasoning hatred needs no justification.
The word emphasizes that the feeling or behavior bypasses the mind's capacity for deliberation.
Contrary to valid reasoning
- baselessLacking factual support
- unfoundedWithout factual support
- groundlessLacking factual support
- senselessLacking reason or awareness
incoherent · unjustifiable · nonsensical · absurd · invalid · unwarranted · unsound · inexplicable
Arising from deep instinct
- primalFirst in origin
- gutDigestive tract, or instinct
- innateExisting since birth
- reflexInvoluntary stimulus response
involuntary · automatic · hardwired · unconscious · inborn · instinctual · animalistic · biological
Excessively quick, ill-considered
- rashHeedless or skin irritation
- impetuousActing on sudden urge
- recklessCarelessly ignoring danger
- heedlessCareless of consequences
snap · unpremeditated · sudden · abrupt · headlong · precipitate · uncontrolled · unbridled
Uncontrollable sudden fear
- terrorExtreme, overwhelming fear
- dreadIntense anticipatory fear
- hysteriaUncontrollable emotional excess
- phobicHaving irrational dread
paranoid · frantic · alarmed · hysterical · panicked · terrified · horror-stricken · overwrought
Lacking conscious thought
- unquestioningAccepting without challenge
- unreflectiveNot given to self-examination
- blinkeredHaving restricted outlook
- closed-mindedUnreceptive to new ideas
unperceptive · uncomprehending · mindless · unseeing · heedless · undiscerning · uncritical · thoughtless
Firmly refusing to yield
- bullheadedStubbornly refusing to yield
- mulishStubbornly refusing to yield
- pigheadedStubbornly refusing to yield
- willfulIntentionally unyielding
dogged · intransigent · immovable · unbending · inflexible · unyielding · adamant · obdurate
illogical
Contrary to valid reasoning
- baselessLacking factual support
- unfoundedWithout factual support
- groundlessLacking factual support
senseless · incoherent · unjustifiable · nonsensical · absurd · invalid · unwarranted · unsound · inexplicable · arbitrary
visceral
Arising from deep instinct
reflex · involuntary · automatic · hardwired · unconscious · inborn · instinctual · animalistic · biological · atavistic
hasty
Excessively quick, ill-considered
heedless · snap · unpremeditated · sudden · abrupt · headlong · precipitate · uncontrolled · unbridled · unchecked
panic
Uncontrollable sudden fear
- terrorExtreme, overwhelming fear
- dreadIntense anticipatory fear
- hysteriaUncontrollable emotional excess
phobic · paranoid · frantic · alarmed · hysterical · panicked · terrified · horror-stricken · overwrought · distraught
unthinking
Lacking conscious thought
- unquestioningAccepting without challenge
- unreflectiveNot given to self-examination
- blinkeredHaving restricted outlook
closed-minded · unperceptive · uncomprehending · mindless · unseeing · heedless · undiscerning · uncritical · thoughtless · mechanical
obstinate
Firmly refusing to yield
- bullheadedStubbornly refusing to yield
- mulishStubbornly refusing to yield
- pigheadedStubbornly refusing to yield
willful · dogged · intransigent · immovable · unbending · inflexible · unyielding · adamant · obdurate · headstrong
- mindlessbrainless, mindless, witless, senseless, unthinking
- thoughtlessthoughtless, unthinking, mindless, unreflective, unconsidered
unreasoningdeliberate
Consciously chosen, not accidental
considered · thoughtful · reflective · calculated · thought-out
unreasoningjustified
Shown to be right
well-founded · well-grounded · substantiated · supported · evidence-based