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un thinking
adjective as in imprudent
Strongest matches
adjective as in inadvertent
adjective as in inattentive
Strongest matches
Weak matches
- absent
- absentminded
- blind
- distrait
- diverted
- dreamy
- faraway
- heedless
- inadvertent
- inobservant
- listless
- lost
- musing
- neglectful
- off-guard
- out to lunch
- preoccupied
- rapt
- regardless
- remiss
- removed
- scatterbrained
- thoughtless
- unconscious
- undiscerning
- unheeding
- unmindful
- unnoticing
- unobservant
- unobserving
- unperceiving
- unthinking
- unwatchful
- vague
adjective as in incautious
Weak matches
- any old way
- bold
- brash
- careless
- caught napping
- devil-may-care
- fast-and-loose
- foot-in-mouth
- hasty
- heedless
- hotheaded
- ill-advised
- ill-judged
- impetuous
- improvident
- imprudent
- impulsive
- inconsiderate
- indiscreet
- injudicious
- madcap
- neglectful
- negligent
- off guard
- pay no mind
- playing with fire
- precipitate
- rash
- reckless
- regardless
- sticking one's neck out
- thoughtless
- unalert
- unguarded
- unmindful
- unthinking
- unvigilant
- unwatchful
- wary
- wide open
adjective as in inconsiderate
adjective as in indiscreet
adjective as in instinctive
adjective as in involuntary
Strongest matches
adjective as in irrational
Strongest matches
adjective as in absent-minded
Weak matches
- absent
- absorbed
- abstracted
- airheaded
- bemused
- careless
- distracted
- distrait
- dreaming
- dreamy
- engrossed
- faraway
- forgetful
- goofing off
- head in the clouds
- heedless
- inattentive
- inconscient
- lost
- mooning
- moony
- oblivious
- out to lunch
- pipe dreaming
- preoccupied
- remote
- removed
- scatterbrained
- space cadet
- spacey
- unaware of events
- unconscious
- unheeding
- unmindful
- unobservant
- unthinking
- withdrawn
- woolgathering
adjective as in mechanical
adjective as in mindless
adjective as in moronic
adjective as in negligent
adjective as in automatic
adjective as in rash
Strongest matches
Strong matches
adjective as in shallow
adjective as in stupid
Strongest matches
Strong matches
adjective as in thoughtless
Weak matches
adjective as in uncritical
adjective as in unguarded
Strongest matches
adjective as in unintelligent
adjective as in unintentional/unintended
adjective as in unthinking
Weak matches
- blundering
- brutish
- feckless
- foolish
- heedless
- impulsive
- inadvertent
- inconsiderate
- indelicate
- insensitive
- instinctive
- mechanical
- napping
- negligent
- oblivious
- outrageous
- rash
- rude
- selfish
- senseless
- tactless
- thoughtless
- uncaring
- unconscious
- undiplomatic
- unheeding
- unintended
- unmeant
- unmindful
- unpremeditated
- unreasoning
- untactful
- unwise
- vacant
- witless
adjective as in unwitting
Strongest matches
adjective as in vacant
adjective as in blind
Strongest matches
adjective as in unintentional
adjective as in brute
adjective as in reflex
Strong match
adjective as in careless
Strongest matches
Weak matches
adjective as in ill-considered
Weak matches
- adventurous
- bold
- brash
- daring
- determined
- devil-may-care
- fiery
- foolhardy
- frenzied
- furious
- harebrained
- harum-scarum
- headlong
- headstrong
- heedless
- hotheaded
- immature
- impetuous
- improvident
- incautious
- injudicious
- insuppressible
- irrational
- jumping to conclusions
- madcap
- overhasty
- passionate
- precipitant
- precipitate
- slapdash
- temerarious
- unconsidered
- unguarded
- unthinking
- unwary
- venturesome
- venturous
- wild
adjective as in instinctual
adjective as in precipitant
Strong matches
Weak matches
- adventurous
- audacious
- brash
- determined
- devil-may-care
- fiery
- foolhardy
- frenzied
- furious
- harebrained
- hasty
- headlong
- headstrong
- heedless
- hotheaded
- ill-advised
- ill-considered
- immature
- impetuous
- improvident
- imprudent
- impulsive
- incautious
- indiscreet
- injudicious
- insuppressible
- jumping to conclusions
- overhasty
- passionate
- premature
- reckless
- slapdash
- temerarious
- thoughtless
- unconsidered
- unguarded
- unthinking
- unwary
- venturesome
- venturous
adjective as in thick-witted
Weak matches
- blockheaded
- brainless
- dazed
- deficient
- dense
- dim
- doltish
- dopey
- dull
- dumb
- dummy
- foolish
- futile
- gullible
- half-baked
- half-witted
- hebetudinous
- idiotic
- ill-advised
- imbecilic
- inane
- indiscreet
- insensate
- irrelevant
- laughable
- loser
- ludicrous
- meaningless
- mindless
- moronic
- naive
- nonsensical
- obtuse
- out to lunch
- pointless
- puerile
- rash
- senseless
- shortsighted
- simple
- simpleminded
- slow
- sluggish
- stolid
- stupefied
- thick
- thick-headed
- thickheaded
- trivial
- unintelligent
- unthinking
- witless
adjective as in unconsidered
Weak matches
- adventurous
- audacious
- bold
- brash
- daring
- determined
- devil-may-care
- fiery
- foolhardy
- frenzied
- furious
- harebrained
- harum-scarum
- hasty
- headlong
- headstrong
- heedless
- hotheaded
- ill-advised
- ill-considered
- immature
- impetuous
- improvident
- imprudent
- impulsive
- incautious
- indiscreet
- injudicious
- insuppressible
- irrational
- jumping to conclusions
- madcap
- overhasty
- passionate
- precipitant
- precipitate
- premature
- reckless
- slapdash
- temerarious
- thoughtless
- unguarded
- unthinking
- unwary
- venturesome
- venturous
- wild
adjective as in undesigned
adjective as in undevised
adjective as in unintended
adjective as in unmeant
adjective as in unthoughtful
Weak matches
- antisocial
- apathetic
- asocial
- blind
- boorish
- brash
- deaf
- discourteous
- disregardful
- egocentric
- hasty
- heedless
- hot-headed
- impolite
- inattentive
- incautious
- inconsiderate
- indelicate
- indifferent
- indiscreet
- insensitive
- listless
- madcap
- neglectful
- negligent
- primitive
- rash
- reckless
- rude
- self-centered
- selfish
- sharp
- short
- tactless
- uncaring
- unceremonious
- unconcerned
- undiplomatic
- ungracious
- unheeding
- unkind
- unmindful
- unrefined
- unthinking
adjective as in gut
adjective as in haphazard
Strongest matches
adjective as in heedless
Strongest matches
adjective as in impetuous
adjective as in imprudent
Strongest matches
adjective as in inadvertent
adjective as in inattentive
Strongest matches
Weak matches
- absent
- absentminded
- blind
- distrait
- diverted
- dreamy
- faraway
- heedless
- inadvertent
- inobservant
- listless
- lost
- musing
- neglectful
- off-guard
- out to lunch
- preoccupied
- rapt
- regardless
- remiss
- removed
- scatterbrained
- thoughtless
- unconscious
- undiscerning
- unheeding
- unmindful
- unnoticing
- unobservant
- unobserving
- unperceiving
- unthinking
- unwatchful
- vague
adjective as in incautious
Weak matches
- any old way
- bold
- brash
- careless
- caught napping
- devil-may-care
- fast-and-loose
- foot-in-mouth
- hasty
- heedless
- hotheaded
- ill-advised
- ill-judged
- impetuous
- improvident
- imprudent
- impulsive
- inconsiderate
- indiscreet
- injudicious
- madcap
- neglectful
- negligent
- off guard
- pay no mind
- playing with fire
- precipitate
- rash
- reckless
- regardless
- sticking one's neck out
- thoughtless
- unalert
- unguarded
- unmindful
- unthinking
- unvigilant
- unwatchful
- wary
- wide open
adjective as in inconsiderate
adjective as in indiscreet
adjective as in instinctive
adjective as in involuntary
Strongest matches
adjective as in irrational
Strongest matches
adjective as in absent-minded
Weak matches
- absent
- absorbed
- abstracted
- airheaded
- bemused
- careless
- distracted
- distrait
- dreaming
- dreamy
- engrossed
- faraway
- forgetful
- goofing off
- head in the clouds
- heedless
- inattentive
- inconscient
- lost
- mooning
- moony
- oblivious
- out to lunch
- pipe dreaming
- preoccupied
- remote
- removed
- scatterbrained
- space cadet
- spacey
- unaware of events
- unconscious
- unheeding
- unmindful
- unobservant
- unthinking
- withdrawn
- woolgathering
adjective as in mechanical
adjective as in mindless
adjective as in moronic
adjective as in negligent
adjective as in automatic
adjective as in rash
Strongest matches
Strong matches
adjective as in shallow
adjective as in stupid
Strongest matches
Strong matches
adjective as in thoughtless
Weak matches
adjective as in uncritical
adjective as in unguarded
Strongest matches
adjective as in unintelligent
adjective as in unintentional/unintended
adjective as in unthinking
Weak matches
- blundering
- brutish
- feckless
- foolish
- heedless
- impulsive
- inadvertent
- inconsiderate
- indelicate
- insensitive
- instinctive
- mechanical
- napping
- negligent
- oblivious
- outrageous
- rash
- rude
- selfish
- senseless
- tactless
- thoughtless
- uncaring
- unconscious
- undiplomatic
- unheeding
- unintended
- unmeant
- unmindful
- unpremeditated
- unreasoning
- untactful
- unwise
- vacant
- witless
adjective as in unwitting
Strongest matches
adjective as in vacant
adjective as in blind
Strongest matches
adjective as in unintentional
adjective as in brute
adjective as in reflex
Strong match
adjective as in careless
Strongest matches
Weak matches
adjective as in ill-considered
Weak matches
- adventurous
- bold
- brash
- daring
- determined
- devil-may-care
- fiery
- foolhardy
- frenzied
- furious
- harebrained
- harum-scarum
- headlong
- headstrong
- heedless
- hotheaded
- immature
- impetuous
- improvident
- incautious
- injudicious
- insuppressible
- irrational
- jumping to conclusions
- madcap
- overhasty
- passionate
- precipitant
- precipitate
- slapdash
- temerarious
- unconsidered
- unguarded
- unthinking
- unwary
- venturesome
- venturous
- wild
adjective as in instinctual
adjective as in precipitant
Strong matches
Weak matches
- adventurous
- audacious
- brash
- determined
- devil-may-care
- fiery
- foolhardy
- frenzied
- furious
- harebrained
- hasty
- headlong
- headstrong
- heedless
- hotheaded
- ill-advised
- ill-considered
- immature
- impetuous
- improvident
- imprudent
- impulsive
- incautious
- indiscreet
- injudicious
- insuppressible
- jumping to conclusions
- overhasty
- passionate
- premature
- reckless
- slapdash
- temerarious
- thoughtless
- unconsidered
- unguarded
- unthinking
- unwary
- venturesome
- venturous
adjective as in thick-witted
Weak matches
- blockheaded
- brainless
- dazed
- deficient
- dense
- dim
- doltish
- dopey
- dull
- dumb
- dummy
- foolish
- futile
- gullible
- half-baked
- half-witted
- hebetudinous
- idiotic
- ill-advised
- imbecilic
- inane
- indiscreet
- insensate
- irrelevant
- laughable
- loser
- ludicrous
- meaningless
- mindless
- moronic
- naive
- nonsensical
- obtuse
- out to lunch
- pointless
- puerile
- rash
- senseless
- shortsighted
- simple
- simpleminded
- slow
- sluggish
- stolid
- stupefied
- thick
- thick-headed
- thickheaded
- trivial
- unintelligent
- unthinking
- witless
adjective as in unconsidered
Weak matches
- adventurous
- audacious
- bold
- brash
- daring
- determined
- devil-may-care
- fiery
- foolhardy
- frenzied
- furious
- harebrained
- harum-scarum
- hasty
- headlong
- headstrong
- heedless
- hotheaded
- ill-advised
- ill-considered
- immature
- impetuous
- improvident
- imprudent
- impulsive
- incautious
- indiscreet
- injudicious
- insuppressible
- irrational
- jumping to conclusions
- madcap
- overhasty
- passionate
- precipitant
- precipitate
- premature
- reckless
- slapdash
- temerarious
- thoughtless
- unguarded
- unthinking
- unwary
- venturesome
- venturous
- wild
adjective as in undesigned
adjective as in undevised
adjective as in unintended
adjective as in unmeant
adjective as in unthoughtful
Weak matches
- antisocial
- apathetic
- asocial
- blind
- boorish
- brash
- deaf
- discourteous
- disregardful
- egocentric
- hasty
- heedless
- hot-headed
- impolite
- inattentive
- incautious
- inconsiderate
- indelicate
- indifferent
- indiscreet
- insensitive
- listless
- madcap
- neglectful
- negligent
- primitive
- rash
- reckless
- rude
- self-centered
- selfish
- sharp
- short
- tactless
- uncaring
- unceremonious
- unconcerned
- undiplomatic
- ungracious
- unheeding
- unkind
- unmindful
- unrefined
- unthinking
adjective as in gut
adjective as in haphazard
Strongest matches
adjective as in heedless
Strongest matches
adjective as in impetuous
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Synonym of the day
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On this page you'll find 1627 synonyms, antonyms, and words related to un thinking, such as: careless, foolhardy, foolish, ill-advised, ill-considered, and irresponsible.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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