sound Antonyms

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