UNSOUND: Synonyms and Related Words. What is Another Word for UNSOUND?

Need another word that means the same as “unsound”? Find 56 synonyms and 30 related words for “unsound” in this overview.

The synonyms of “Unsound” are: bad, unfit, fallacious, unstable, rickety, flimsy, shaky, wobbly, tottery, defective, crumbling, decaying, broken, broken-down, damaged, rotten, ramshackle, insubstantial, jerry-built, unsafe, unreliable, dangerous, disordered, diseased, deranged, disturbed, troubled, demented, unbalanced, unhinged, insane, crazed, distracted, untenable, flawed, faulty, weak, questionable, dubious, tenuous, suspect, illogical, irrational, unfounded, ungrounded, unsubstantiated, unsupported, specious, hollow, spurious, false, fallible, erroneous, wrong, sophistic, casuistic

Unsound as an Adjective

Definitions of "Unsound" as an adjective

According to the Oxford Dictionary of English, “unsound” as an adjective can have the following definitions:

• Not safe or robust; in poor condition.
• Not based on sound or reliable evidence or reasoning.
• Not acceptable.
• Suffering from severe mental illness.
• Not healthy or well.
• Of e.g. advice.
• Physically unsound or diseased.
• Containing or based on a fallacy.
• Not sound financially.
• (of a person) not holding acceptable views.
• Not in good condition; damaged or decayed.

Synonyms of "Unsound" as an adjective (56 Words)

bad	Feeling physical discomfort or pain tough is occasionally used colloquially for bad. Bad behaviour.
broken	Out of working order busted is an informal substitute for broken. A broken tooth.
broken-down	Not in working order.
casuistic	Of or relating to the use of ethical principles to resolve moral problems. Overly subtle casuistic reasoning.
crazed	(of porcelain) characterized by a network of fine cracks in the glaze. Crazed china should not be used for serving food as the tiny cracks can harbour bacteria.
crumbling	Breaking or falling apart into small fragments, especially as part of a process of deterioration. He was trying to escape financial problems and a crumbling marriage.
damaged	Harmed or injured or spoiled. Her damaged reputation.
dangerous	Causing fear or anxiety by threatening great harm. A dangerous operation.
decaying	Declining in quality, power, or vigour. Old decaying buildings.
defective	Having a defect. Complaints over defective goods.
demented	Suffering from dementia. She was demented with worry.
deranged	Mad; insane. A deranged gunman.
diseased	Abnormal and corrupt. Diseased trees.
disordered	Suffering from an illness or condition that disrupts normal physical or mental functions. The small disordered room.
distracted	Having the attention diverted especially because of anxiety. Charlotte seemed too distracted to give him much attention.
disturbed	Afflicted with or marked by anxious uneasiness or trouble or grief. Disturbed sleep.
dubious	Not convinced. Timeshare has been brought into disrepute by dubious sales methods.
erroneous	Wrong; incorrect. Employers sometimes make erroneous assumptions.
fallacious	Based on an incorrect or misleading notion or information. Fallacious testimony.
fallible	Wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings. Experts can be fallible.
false	Used in names of plants animals and gems that superficially resemble the thing properly so called e g false oat. False eyelashes.
faulty	Having a defect. He submitted a faulty report.
flawed	Having a blemish or flaw. A flawed hero.
flimsy	(of clothing) very light and thin. A flimsy table.
hollow	As if echoing in a hollow space. A hollow wall.
illogical	Lacking orderly continuity. An illogical fear of the supernatural.
insane	In a state of mind which prevents normal perception, behaviour, or social interaction; seriously mentally ill. He had gone insane.
insubstantial	Lacking in nutritive value. Insubstantial evidence.
irrational	Of a number quantity or expression not expressible as a ratio of two integers and having an infinite and non recurring expansion when expressed as a decimal Examples of irrational numbers are the number and the square root of 2. Irrational fears.
jerry-built	Of inferior workmanship and materials.
questionable	Able to be refuted. A questionable reputation.
ramshackle	In deplorable condition. A ramshackle old pier.
rickety	Inclined to shake as from weakness or defect. We went carefully up the rickety stairs.
rotten	Very bad. He s had rotten luck this year.
shaky	Vibrating slightly and irregularly; as e.g. with fear or cold or like the leaves of an aspen in a breeze. A shaky marriage.
sophistic	Of or pertaining to sophists.
specious	Based on pretense; deceptively pleasing. A specious argument.
spurious	(of a line of reasoning) apparently but not actually valid. Spurious inferences.
suspect	Not as expected. Her motives were suspect.
tenuous	Very slender or fine; insubstantial. A tenuous fluid.
tottery	Unsteady in gait as from infirmity or old age. A tottery old man.
troubled	Characterized by or indicative of distress or affliction or danger or need. A troubled expression.
unbalanced	(of a person) emotionally or mentally disturbed. This may give an unbalanced impression of the competition.
unfit	Below the required standards for a purpose. Certified as unfit for army service.
unfounded	Without a basis in reason or fact. Unfounded suspicions.
ungrounded	Not electrically earthed. An ungrounded screen can act as an antenna.
unhinged	Affected with madness or insanity. The violent acts of unhinged minds.
unreliable	Lacking a sense of responsibility. Unreliable information.
unsafe	Involving or causing danger or risk; liable to hurt or harm. Drinking water in some areas may be unsafe.
unstable	Prone to psychiatric problems or sudden changes of mood. The tower proved to be unstable in the high wind.
unsubstantiated	Not supported or proven by evidence. Unsubstantiated claims.
unsupported	Not given financial or other assistance. Removal of the central post left the roof unsupported.
untenable	Incapable of being defended or justified. This argument is clearly untenable.
weak	Relating to or denoting the weakest of the known kinds of force between particles which acts only at distances less than about 10 cm is very much weaker than the electromagnetic and the strong interactions and conserves neither strangeness parity nor isospin. A weak market for oil stocks.
wobbly	(of a line or handwriting) not straight or regular. A wobbly soprano.
wrong	Based on or acting or judging in error. The clock showed the wrong time.

Usage Examples of "Unsound" as an adjective

• The tower is structurally unsound.
• Unsound teeth.
• An unsound limb.
• This line of argument is unsound.
• Unsound banking practices.
• An unsound argument.
• An unsound foundation.
• Activities deemed to be environmentally unsound.
• Of unsound mind.
• Dorinda was mentally unsound.

Associations of "Unsound" (30 Words)

absurd	An absurd state of affairs. The incidents that followed bordered on the absurd.
absurdity	A message whose content is at variance with reason. The crowd laughed at the absurdity of the clown s behavior.
disordered	Not arranged in order. She went to comb her disordered hair.
disqualify	Declare (someone) ineligible for an office, activity, or competition because of an offence or infringement. A heart murmur disqualified him for military service.
fallible	Wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings. I m only a fallible human.
garbled	Lacking orderly continuity. I got a garbled set of directions.
illogical	Lacking orderly continuity. An illogical fear of the supernatural.
imperfect	The imperfect tense. Drainage here is imperfect.
improper	Not conforming to legality, moral law, or social convention. Improper banking practices.
inappropriate	Not in keeping with what is correct or proper. Inappropriate shoes for a walk on the beach.
incongruent	Not congruent.
incongruity	The state of being incongruous; incompatibility. The incongruity of his fleshy face and skinny body disturbed her.
incongruous	Lacking in harmony or compatibility or appropriateness. Incongruous behavior.
indefensible	Incapable of being defended or justified. This behaviour is morally indefensible.
ineligible	Not eligible. They were ineligible for jury service.
inexcusable	Without excuse or justification. Matt s behaviour was inexcusable.
invalid	A person made weak or disabled by illness or injury. Invalid reasoning.
irrational	Of a number quantity or expression not expressible as a ratio of two integers and having an infinite and non recurring expansion when expressed as a decimal Examples of irrational numbers are the number and the square root of 2. Irrational fears.
irresponsible	(of a person, attitude, or action) not showing a proper sense of responsibility. It would have been irresponsible just to drive on.
unbecoming	(of behaviour) not fitting or appropriate; unseemly. It was unbecoming for a university to do anything so crass as advertising its wares.
uncertain	Ambiguous (especially in the negative. An uncertain recollection of events.
unfaithful	Disloyal, treacherous, or insincere. You haven t been unfaithful to him have you.
unfit	Make unfit or unsuitable. The increase in the number of unfit and overweight children is alarming.
unjustifiable	Incapable of being justified or explained. An unjustifiable restriction on their freedom.
unreasonable	Beyond normal limits. She knew she was being unreasonable but she resented his domesticity.
unreliable	Lacking a sense of responsibility. In the early 1950s computers were large and expensive and unreliable.
unstable	Affording no ease or reassurance. His rather unstable religious convictions.
unsuitable	Not worthy of being chosen (especially as a spouse. A solvent unsuitable for use on wood surfaces.
untenable	(of theories etc) incapable of being defended or justified. This argument is clearly untenable.
untrustworthy	Not able to be relied on as honest or truthful. An untrustworthy person.