mousy/ˈmausɪ; `maʊsɪ/ adj(-ier, -iest) (derog 贬)1 (esp of hair) dull brown （尤指毛发）灰褐色的.2 (of people) timid; shy （指人）胆小的, 羞怯的.
牛津英汉双解词典