doubtless

doubtless

adjective

Definition of DOUBTLESS

having or showing a mind free from doubt <another one of his doubtless predictions that will never come true>

Synonyms assured, clear, cocksure, confident, doubtless, implicit, positive, sanguine, sure

Related Words self-assured, self-conceited, self-confident; decisive, resolute, unfaltering, unhesitating, unquestioning, unwavering

Near Antonyms hesitant, indecisive, vacillating, wavering; diffident, unassuming

Antonyms doubtful, dubious, uncertain, unsure