Adjective unsound has 7 senses
  1. unsound - not in good condition; damaged or decayed; "an unsound foundation"
    Antonyms:
    sound, solid, strong, substantial
  2. unsound - not sound financially; "unsound banking practices"
    Antonyms:
    sound, dependable, good, safe, secure, healthy, stable
  3. fallacious, unsound - containing or based on a fallacy; "fallacious reasoning"; "an unsound argument"
    Antonym: valid (indirect, via invalid)
  4. mentally ill, unsound, unstable - suffering from severe mental illness; "of unsound mind"
    Antonym: sane (indirect, via insane)
  5. bad, unfit, unsound - physically unsound or diseased; "has a bad back"; "a bad heart"; "bad teeth"; "an unsound limb"; "unsound teeth"
    Antonym: healthy (indirect, via unhealthy)
  6. unsound - of e.g. advice
    Antonyms:
    reliable, dependable (indirect, via unreliable, undependable)
    Antonyms: reliable, dependable (indirect, via unreliable, undependable)
  7. bedraggled, broken-down, dilapidated, ramshackle, tatterdemalion, tumble-down, unsound - in deplorable condition; "a street of bedraggled tenements"; "a broken-down fence"; "a ramshackle old pier"; "a tumble-down shack"
    Antonym: undamaged (indirect, via damaged)
,
TOP