SOLOIST Meaning of SOLOIST in English so ‧ lo ‧ ist /ˈsəʊləʊəst, ˈsəʊləʊɪst $ ˈsoʊloʊ-/ BrE AmE noun [countable] a musician who performs alone or plays an instrument alone:cello soloist Yo Yo Ma Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012