[verb] [T] [past:] costDrinking and driving costs lives (= can cause accidents in which people die).His relationship with his wife's friend cost him his marriage (= his marriage ended because of it). [+ two objects]It cost Scotland dear when they missed that goal (= they lost the game because of it).It cost him dear (= It was difficult for him) to apologize.
COST
Meaning of COST in English
Cambridge English vocab. Кембриджский английский словарь. 2012