Synonyms of unsound

unsound

adjective

1

as in psychotic

having or showing a very abnormal or sick state of mind

disgruntled relatives tried to prove that the woman was of unsound mind when she made her will

Synonyms & Similar Words

• psychotic
• insane
• lunatic
• mad
• nuts
• mental
• crazy
• maniacal
• paranoid
• maniac
• gaga
• disturbed
• unbalanced
• irrational
• paranoidal
• strange
• whacky
• looney
• deranged
• demented
• foolish
• crazed
• cracked
• psycho
• unhinged
• loony
• cuckoo
• screwy
• eccentric
• daft
• around the bend
• ballistic
• wacky
• nutty
• whacko
• scatty
• daffy
• certifiable
• barmy
• unreasonable
• kooky
• wacko
• odd
• haywire
• batty
• loony tunes
• crackpot
• bedlam
• out to lunch
• depressed
• brainsick
• non compos mentis
• meshuga
• loco
• crackbrained
• bughouse
• moonstruck
• bonkers
• bats
• kookie
• looney tunes
• meshuggah
• disordered
• meshugah
• fruity
• hysteric
• meshugge
• out of one's mind
• distraught
• obsessed
• balmy
• delusionary
• fey
• neurotic
• schizophrenic
• distracted
• aberrant
• frantic
• delusional
• loopy
• off one's rocker
• hysterical
• queer
• cranky
• wud
• off one's gourd
• schizoid
• out of one's head
• paranoic
• off one's head
• nuclear
• paranoiac
• delirious
• off
• sociopathic
• dotty
• crackers
• tetched
• oddball
• obsessive-compulsive
• witless
• touched
• senseless
• pixilated
• pixillated
• amuck
• potty
• ape
• berserk
• monomaniacal
• teched
• frenzied
• wigged-out
• monomaniac
• amok
• raving
• fixated
• bananas

Antonyms & Near Antonyms

• sound
• rational
• reasonable
• balanced
• sane
• clear
• wise
• lucid
• sensible
• judicious
• normal
• healthy
• compos mentis
• uncrazy
• well-adjusted
• unneurotic

2

as in erroneous

not being in agreement with what is true

an unsound and pernicious stereotype

Synonyms & Similar Words

• erroneous
• inaccurate
• incorrect
• wrong
• false
• untrue
• misleading
• invalid
• inexact
• untruthful
• distorted
• off base
• specious
• deceptive
• off
• fraudulent
• fallacious
• counterfactual
• delusive
• illusory
• spurious
• unproven
• fictitious
• deceitful
• dishonest
• mendacious
• untested
• awry
• delusory
• lying
• invented
• amiss
• askew
• unconfirmed
• fabricated
• made-up
• trumped-up

Antonyms & Near Antonyms

• correct
• sound
• valid
• proper
• true
• right
• accurate
• factual
• precise
• exact
• demonstrated
• confirmed
• established
• errorless
• tested
• veracious
• perfect
• proven
• impeccable
• faultless
• flawless
• letter-perfect

3

as in unreasonable

not using or following good reasoning

it is clearly unsound to argue that just because a scientific explanation for that phenomenon does not currently exist, no such explanation is possible

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

4

as in sick

temporarily suffering from a disorder of the body

an unsound horse that will have to be disqualified from the race

Synonyms & Similar Words

• sick
• poorly
• bad
• ill
• unhealthy
• shaky
• down
• weak
• unwell
• dizzy
• ailing
• out of sorts
• indisposed
• under the weather
• peaky
• sickened
• troubled
• peaked
• fragile
• lame
• punk
• run-down
• symptomatic
• feeble
• diseased
• disabled
• lousy
• invalid
• disordered
• sickish
• nauseous
• weakly
• cruddy
• seedy
• challenged
• queasy
• frail
• infirm
• seasick
• sickly
• woozy
• decrepit
• squeamish
• debilitated
• feverish
• nauseated
• achy
• afflicted
• qualmish
• incapacitated
• halt
• queazy
• airsick
• hypochondriacal
• carsick
• light-headed
• hypochondriac

Antonyms & Near Antonyms

• sound
• whole
• well
• healthy
• wholesome
• healthful
• conditioned
• hale
• better
• fit
• cured
• able-bodied
• strong
• improved
• recovering
• robust
• tough
• well-conditioned
• mending
• hardy
• lusty
• hearty
• rugged
• stalwart
• flourishing
• bouncing
• rehabilitated
• thriving
• flush
• chipper
• blooming
• recuperating
• convalescing