UNSOUND Synonyms

• lacking stability or fixity or firmness

• highly or violently reactive

• affording no ease or reassurance

• suffering from severe mental illness

• disposed to psychological variability

• subject to change; variable

• having a defect

• markedly subnormal in structure or function or intelligence or behavior

• not working properly

• fraught with uncertainty or doubt

• open to doubt or suspicion

• not convinced

• having a defect

• characterized by errors; not agreeing with a model or not following established rules

• having a blemish or flaw

• erroneous

• not correct; not in conformity with fact or truth

• not in accord with established usage or procedure

• (of a word or expression) not agreeing with grammatical principles

• characterized by errors; not agreeing with a model or not following established rules

• having no cogency or legal force

• someone who is incapacitated by a chronic illness or injury

• no longer valid

• force to retire, remove from active duty, as of firemen

• injure permanently

• subject to question

• able to be refuted

• incapable of being justified or explained

• not worthy of reliance or trust

• liable to be erroneous or misleading

• dangerously unstable and unpredictable

• lacking a sense of responsibility

• wanting in physical strength

• overly diluted; thin and insipid

• (used of vowels or syllables) pronounced with little or no stress

• wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings

• tending downward in price

• deficient or lacking in some skill

• lacking bodily or muscular strength or vitality

• (used of verbs) having standard (or regular) inflection

• not having authority, political strength, or governing power

• deficient in magnitude; barely perceptible; lacking clarity or brightness or loudness etc

• likely to fail under stress or pressure

• deficient in intelligence or mental power

• having undesirable or negative qualities

• feeling or expressing regret or sorrow or a sense of loss over something done or undone

• that which is below standard or expectations as of ethics or decency

• with great intensity (`bad' is a nonstandard variant for `badly')

• very much; strongly

• serious or severe

• feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad')

• (of foodstuffs) not in an edible or usable condition

• not capable of being collected

• below average in quality or performance

• nonstandard

• not financially safe or secure

• physically unsound or diseased

• capable of harming

• characterized by wickedness or immorality

• reproduced fraudulently

• not working properly

• containing or based on a fallacy

• involving deception

• based on an incorrect or misleading notion or information

• below the required standards for a purpose

• not in good physical or mental condition; out of condition

• physically unsound or diseased

• make unfit or unsuitable

• suffering from severe mental illness