Main entry: unsound
Definition: not sound financially
Usage: unsound banking practices
Antonyms: sound
Definition: financially secure and safe
Definition: that which is pleasing or valuable or useful
Antonyms: good
Definition: having desirable or positive qualities especially those suitable for a thing specified
Antonyms: short
Definition: (primarily spatial sense) having little length or lacking in length
Antonyms: short
Definition: primarily temporal sense; indicating or being or seeming to be limited in duration
Antonyms: short
Definition: of speech sounds or syllables of relatively short duration
Antonyms: short
Definition: not holding securities or commodities that one sells in expectation of a fall in prices
Main entry: unsound
Definition: not in good condition; damaged or decayed
Usage: an unsound foundation
Antonyms: sound
Definition: in good condition; free from defect or damage or decay
Main entry: unsound, fallacious
Definition: containing or based on a fallacy
Usage: fallacious reasoning; an unsound argument
Antonyms: valid
Definition: well grounded in logic or truth or having legal force
Main entry: unsound
Definition: of e.g. advice
Antonyms: reliable, dependable
Definition: worthy of reliance or trust
Main entry: bad, unsound, unfit
Definition: physically unsound or diseased
Usage: has a bad back; a bad heart; bad teeth; an unsound limb; unsound teeth
Antonyms: healthy
Definition: having or indicating good health in body or mind; free from infirmity or disease
Main entry: mentally ill, unsound, unstable
Definition: suffering from severe mental illness
Usage: of unsound mind
Antonyms: sane
Definition: mentally healthy; free from mental disorder