sound Antonyms

unsound silence weak-minded unfit unbalanced tumorous touched top-heavy thoughtless theoretical theoretic suppositional stupid unfounded unlawful weakened weak wacky unwell unwarranted untruthful untrue unstable unrighteous unreliable unreasonable squinter spurious risky ridiculous reckless rash rabid quiet queerish prosecutable preposterous paretic outlandish rotted senseless speculative spavined slippery silly silent sickly sickish sickened sick