adjective
Synonyms: positive 3, inarguable, incontestable, incontrovertible, indisputable, indubitable, sure, uncontestable, undeniable, unquestionable
Antonyms: doubtable, questionable
adjective
Synonyms: positive 3, inarguable, incontestable, incontrovertible, indisputable, indubitable, sure, uncontestable, undeniable, unquestionable
Antonyms: doubtable, questionable
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003