There have been difficulties in providing a unified account of Korean adverbs. For example, in contrast to English, most manner adverbial expressions in Korean do not occur as adverbial complements to verbs, denying one way to characterize this type of expressions. The aim of this paper is to provide some criteria for classifying and categorizing manner adverbs in Korean based on frames. In the first part of this paper, we lay out the general syntactic position and semantic interpretation of Korean manner adverbs. In the second part, we present a systematic description and classification of manner adverbs using a formal apparatus based on “the Operator and Davidsonian approaches” (Schaefer, 2004). Finally, we propose appropriate frame structures for adverbs of manner, making reference to the Berkeley FrameNet (BFN), which we show are useful in identifying the frame types of manner adverbs and in sub-classifying individual lexical units (esp., verbs) in Korean test data.