Synonyms of the word

unsound

• adj. Not sound, particularly.

bad

• adj. Not good; unfavorable; negative.
• adj. Not suitable or fitting.
• adj. Seemingly non-appropriate, in manners, etc.
• adj. Unhealthy.
• adj. Tricky; stressful; unpleasant.
• adj. Evil; wicked.
• adj. Faulty; not functional.
• adj. (of food) Spoiled, rotten, overripe.
• adj. (of breath) Malodorous, foul.
• adj. (informal) Bold and daring.
• adj. (hip-hop slang) good, superlative.
• adj. (of a need or want) Severe, urgent.
• adv. (now colloquial) Badly.
• n. (slang) Error, mistake.
• n. (countable, uncountable, economics) An item (or kind of item) of merchandise with negative value; an unwanted…
• adj. (slang) Fantastic.
• v. (archaic) Alternative past tense of bid. See bade.
• v. (Britain, dialect, transitive) To shell (a walnut).

broken

• v. past participle of break.
• adj. Fragmented, in separate pieces.
• adj. (of a promise, etc) Breeched; violated; not kept.
• adj. Non-functional; not functioning properly.
• adj. (of a person) Completely defeated and dispirited; shattered; destroyed.
• adj. Having no money; bankrupt, broke.
• adj. (of land) Uneven.
• adj. (sports and gaming, of a tactic or option) Overpowered; overly powerful; too powerful.

corroded

• adj. Damaged by corrosion.
• v. simple past tense and past participle of corrode.

damaged

• v. simple past tense and past participle of damage.
• adj. Suffered a damage.

decayed

• adj. Having undergone decay.
• v. simple past tense and past participle of decay.

fallacious

• adj. Characterized by fallacy; false or mistaken.
• adj. Deceptive or misleading.

high-risk

• adj. Having a great risk.

injured

• v. simple past tense and past participle of injure.

insane

• adj. Exhibiting unsoundness or disorder of mind; not sane; mad; deranged in mind; delirious; distracted.
• adj. Used by, or appropriated to, insane persons.
• adj. Causing insanity or madness.
• adj. Characterized by insanity or the utmost folly; ridiculous; unpractical.

invalid

• adj. Not valid; not true, correct, acceptable or appropriate.
• n. (dated, sometimes offensive) Any person with a disability or illness.
• n. (dated, sometimes offensive) A person who is confined to home or bed because of illness, disability or…
• n. (archaic) A disabled member of the armed forces; one unfit for active duty due to injury.
• adj. Intended for use by an invalid.
• v. (Britain) To exempt from duty because of injury or ill health.

long

• adj. Having much distance from one terminating point on an object or an area to another terminating point (usually…
• adj. Having great duration.
• adj. Seemingly lasting a lot of time, because it is boring or tedious or tiring.
• adj. (Britain, dialect) Not short; tall.
• adj. (finance) Possessing or owning stocks, bonds, commodities or other financial instruments with the aim…
• adj. (cricket) Of a fielding position, close to the boundary (or closer to the boundary than the equivalent…
• adj. (tennis, of a ball or a shot) That land beyond the baseline (and therefore is out).
• adj. Occurring or coming after an extended interval; distant in time; far away.
• adv. Over a great distance in space.
• adv. For a particular duration.
• adv. For a long duration.
• n. (linguistics) A long vowel.
• n. (programming) A long integer variable, twice the size of an int, two or four times the size of a short,…
• n. (finance) An entity with a long position in an asset.
• n. (music) A note formerly used in music, one half the length of a large, twice that of a breve.
• v. (transitive, finance) To take a long position in.
• v. (intransitive) To await, aspire, desire greatly (something to occur or to be true).
• adj. (archaic) On account of, because of.
• v. (archaic) To be appropriate to, to pertain or belong to.
• n. longitude.

risky

• adj. Dangerous, involving risks.

rotted

• adj. Destroyed or damaged by rot.
• adj. (Newfoundland) Deeply annoyed or irritated.
• v. simple past tense and past participle of rot.

rotten

• adj. Of perishable items, overridden with bacteria and other infectious agents.
• adj. In a state of decay.
• adj. Cruel, mean or immoral.
• adj. Bad or terrible.
• adv. To an extreme degree.

speculative

• adj. Characterized by speculation; based on guessing, unfounded opinions, or extrapolation.
• adj. Pursued as a gamble, with possible large profits or losses; risky.
• adj. Pertaining to financial speculation; Involving or resulting from high-risk investments or trade.

undependable

• adj. Not dependable.

unfit

• adj. Not fit; not having the correct requirements.
• adj. Not fit, not having a good physical demeanor.
• v. To make unfit; to render unsuitable, spoil, disqualify.

unhealthy

• adj. characterized by, or conducive to poor health.
• adj. sick or ill.
• adj. tending to corrupt.
• adj. characterized by disturbed mental health.

unreliable

• adj. Not reliable.

unstable

• adj. Having a strong tendency to change.
• adj. Fluctuating; not constant.
• adj. Fickle.
• adj. Unpredictable.
• adj. (chemistry) Readily decomposable.
• adj. (physics) Radioactive, especially with a short half-life.
• v. (transitive) To release (an animal) from a stable.

unwholesome

• adj. Not wholesome; unfavorable to health; unhealthy.
• adj. Not sound; diseased; tainted; impaired; defective.
• adj. Indicating unsound health; characteristic of or suggesting an unsound condition, physical or mental; repulsive;…

wildcat

• n. A cat that lives in the wilderness, specifically.
• n. (figuratively) A person who acts like a wildcat, (usually) a violent and easily-angered person or a sexually…
• n. (American football) An offensive formation with an unbalanced line and a snap directly to the running…
• n. (nautical) A wheel that can be adjusted so as to revolve either with or on the shaft of a capstan.
• n. (firearms) Clipping of wildcat cartridge.
• n. (uncommon) Clipping of wildcat strike, a strike undertaken without authorization from the relevant trade…
• n. (obsolete) Clipping of wildcat money, notes issued by a wildcat bank.
• adj. (usually pejorative) Of or concerning businesses operating outside standard or legitimate practice, especially.
• adj. (firearms) Of or concerning customized or hand-made cartridges.
• adj. Unauthorized by the proper authorities.
• v. To drill for oil in an area where no oil has been found before.