Английский разговорный словарь (основной) - certainty

ˈsə:tntɪ n. (pl. -ies) 1 a an undoubted fact. b a certain prospect (his return is a certainty). 2 (often foll. by of, or that + clause) an absolute conviction (has a certainty of his own worth). 3 (often foll. by to + infin.) a thing or person that may be relied on (a certainty to win the Derby). øfor a certainty beyond the possibility of doubt. [ME f. AF certaint÷, OF -et÷ (as CERTAIN)]