unsound

Meanings

Adjective

• 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

Synonyms

bad, fallacious, mentally ill, unfit, unstable

Antonyms

sound