unsound

Adjective

• Not structurally strong or valid; unhealthy or ill.
• not in good condition; damaged or decayed
  • "an unsound foundation"
• not sound financially
  • "unsound banking practices"

Adjective Satellite

• containing or based on a fallacy
  • "an unsound argument"
• suffering from severe mental illness
  • "of unsound mind"
• physically unsound or diseased
  • "an unsound limb"
  • "unsound teeth"
• of e.g. advice

Adj

• Not sound
• Not whole, not solid, defective.
• Not sound
• Infirm, diseased.
• Not sound
• Not good, unreliable.

Examples

• His argument for the validity of ’XYZ’ proved to be unsound, leading to a challenge.
• unsound mind

Synonyms

bad, fallacious, mentally ill, unfit, unstable

Antonyms

sound

Anagrams of unsound