amplify

Universal Words verb (amplifies, amplifying, amplified, amplified) 1 [VN] to increase sth in strength, especially sound: to amplify a guitar / an electric current / a signal 2 (formal) to add details to a story, statement, etc: [V] She refused to amplify further. * [VN] You may need to amplify this point. amplification noun [U]: electronic amplification * That comment needs some amplification.