The verbal behaviors of amplifiers such as very much, really, pretty, particularly, very, absolutely, totally, quite are frequently represented in descriptions of interactions between speaker and hearer. The input of the main speakers was principally explicated with regard to semantic features, including collocational restrictions, by many linguists in the past. However, this study focuses on the output of hearers in different types of talk, especially elaborating on a wide variety of pragmatic roles of the amplifiers in spoken American English. For example, the amplifiers in hearers' speech play diverse pragmatic functions as bridging devices, by indicating surprise, repair, agreement, reinforcement, enthusiasm, encouragement, satisfaction, and rapport between interlocutors. Throughout the analysis, this study suggests that although these amplifiers do not ostensibly seem to have big meanings, they play significant roles in spoken discourse.