misappropriation n. + Add to list US //ˌmɪsəˌpɹoʊpɹiˈeɪʃən// UK //mɪsɐpɹˌəʊpɹɪˈeɪʃən// mis·ap·pro·pri·a·tion SynonymsEtymology Synonyms defalcationembezzlementmisapplicationpeculationOrigin From mis- + appropriation.