AskEraser  |  Settings
Ask.com   
 


Synonyms
un·sound (ŭn-sound́)

adjective: -er, -est. 

  1. Not dependably strong or solid.
  2. Not physically or mentally healthy.
  3. Not true or logically valid; fallacious: an unsound conclusion.

derivatives

un·sound́ly
adverb
un·sound́ness
noun