Entry 1 sense Webster, 1913 Sophomore /säf'-môrˌ/ · Soph·o·more · IPA /ˈsɑf.mɔɹ/ 01 n. One belonging to the second of the four classes in an American college, or one next above a freshman. 1. One belonging to the second of the four classes in an American college, or one next above a freshman.