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un-sound
adjective as in inaccurate
adjective as in incorrect
adjective as in infirm
adjective as in insecure
adjective as in insubstantial
adjective as in invalid
adjective as in irrational
Strongest matches
adjective as in jerry-built
adjective as in lunatic
adjective as in mad
adjective as in mistaken
Strongest matches
- confounded
- confused
- deceived
- deluded
- duped
- fooled
- misguided
- misinformed
- misinterpreting
- misjudging
- misled
- tricked
Strong matches
adjective as in morbid
adjective as in perilous
adjective as in puny
adjective as in risky
Strongest matches
adjective as in rotten
adjective as in rotten
adjective as in senseless
Strongest matches
adjective as in shaky
adjective as in shaky
adjective as in shallow
adjective as in specious
adjective as in treacherous
adjective as in trumped-up
adjective as in unbalanced
adjective as in undependable
adjective as in unhealthy
adjective as in unhealthy
Strongest matches
adjective as in unreliable
Strongest matches
Strong match
adjective as in unsafe
adjective as in unsound
Strongest matches
adjective as in untrue
Strongest matches
adjective as in unwise
adjective as in wanting
Strongest matches
Strong matches
adjective as in weak
Strongest matches
Weak matches
adjective as in wicked
Strongest matches
Weak matches
adjective as in wrong
Strong matches
adjective as in broken-down
adjective as in non compos mentis
adjective as in twisted
adjective as in untenable
Weak matches
adjective as in unsteady
adjective as in unwholesome
adjective as in chancy
adjective as in bananas
adjective as in brainsick
adjective as in crackers
adjective as in fruity
Strongest match
adjective as in ill-considered
adjective as in loco
Weak matches
- around the bend
- batty
- bizarre
- brainsick
- cracked
- crazed
- crazy
- crazy as a loon
- cuckoo
- daft
- demented
- deranged
- disordered
- distraught
- dotty
- fatuous
- frenzied
- idiotic
- impractical
- irrational
- irresponsible
- loony
- lunatic
- mad
- mad as a hatter
- maniac
- maniacal
- moonstruck
- not all there
- nuts
- nutty
- nutty as a fruitcake
- of unsound mind
- off
- off one's rocker
- out of one's mind
- paranoid
- preposterous
- psychopathic
- psychotic
- rabid
- raging
- raving
- screwy
- senseless
- sick in the head
- stark raving mad
- touched
- unbalanced
- unhinged
- unsettled
- unsound
- wild
- wrong
adjective as in moonstruck
Weak matches
- around the bend
- batty
- bizarre
- brainsick
- cracked
- crazed
- crazy
- crazy as a loon
- cuckoo
- daft
- demented
- deranged
- disordered
- distraught
- dotty
- fatuous
- frenzied
- idiotic
- impractical
- irrational
- irresponsible
- loony
- lunatic
- mad
- mad as a hatter
- maniac
- maniacal
- not all there
- nuts
- nutty
- nutty as a fruitcake
- of unsound mind
- off
- off one's rocker
- out of one's mind
- paranoid
- preposterous
- psychopathic
- psychotic
- rabid
- raging
- raving
- screwy
- senseless
- sick in the head
- stark raving mad
- touched
- unbalanced
- unhinged
- unsettled
- unsound
- wild
- wrong
adjective as in sophistic
adjective as in tottering
adjective as in tottery
adjective as in truthless
Weak matches
- counterfactual
- deceitful
- deceptive
- delusive
- deviant
- disloyal
- dissembling
- distorted
- erroneous
- faithless
- fallacious
- false
- fictitious
- forsworn
- hollow
- imprecise
- inaccurate
- inconstant
- incorrect
- inexact
- lying
- meretricious
- misleading
- mistaken
- off
- out of line
- perfidious
- perjured
- prevaricating
- recreant
- sham
- specious
- spurious
- traitorous
- treacherous
- two-faced
- unfaithful
- unloyal
- unsound
- untrue
- untrustworthy
- untruthful
- wide
- wrong
adjective as in weakly
adjective as in daft
adjective as in damaged
adjective as in decrepit
Strongest matches
adjective as in defective
adjective as in demented
adjective as in deranged
Strongest matches
Strong matches
adjective as in diseased
adjective as in erroneous
adjective as in fallacious
adjective as in false
Strongest matches
adjective as in faulty
Strongest matches
adjective as in flimsy
adjective as in fragile
adjective as in frail
adjective as in hairy
adjective as in hazardous
adjective as in hazy
adjective as in hollow
Strongest match
adjective as in illogical
Strongest matches
adjective as in impaired
adjective as in imperfect
Strongest matches
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On this page you'll find 2952 synonyms, antonyms, and words related to un-sound, such as: defective, false, faulty, imprecise, incorrect, and mistaken.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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