uncertain Antonyms

certain undubitable tried transpicuous translucently total tenacious tangible sustainable sure strong-minded strong strict true true-hearted trustworthy undoubted undoubtable undaunted uncontestable unconditional uncompromising unbending unavoidable unadulterated tuff trysting trusty steady steadfast secure seaworthy sealed sanguine safe rigid resolved resolute reliable purposive purposeful pure self-confident self-evident staunch stationary stated stable specified specific