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