closer UK /ˈkləʊ.sə/US /ˈkloʊ.sɚ/adverb 1/ˈkloʊ.zɚ/ noun 6forms 1 adverb1 •nearer, or at a smaller distanceCome closer, my dear. closer UK /ˈkləʊ.zə/US /ˈkloʊ.zɚ/ noun6 •Someone or something that closes.In our organization, the VP of Sales usually acts as the closer. •Someone or something that concludes.The DJ chose a fantastic track as his closer at the end of the night. •The last stone in a horizontal course, if smaller than the others; a piece of brick finishing a course.The longitudinal bond of the walls is only 24 inches, or one fourth of the length of a brick of 9 inches, and is obtained by introducing closers 24 inches broad — 1852 •A relief pitcher who specializes in getting the last three outs of the game.They brought their closer in for the ninth. •Synonym of close (“the point at the end of a sales pitch when the consumer is asked to buy”). •A horse that performs best toward the end of a race. formsclosers