emphasizer|ˈɛmfəsaɪzə(r)| [f. emphasize v. + -er1.] One who or that which emphasizes. 1887Outing (U.S.) X. 111/1 By way of an emphasizer, striking the table a blow with his fist.1922S.P.E. Tract xi. 20 We have come to such a pass with this emphasizer [sc.literally] that [etc.].