FRUMPY Meaning of FRUMPY in English frump ‧ y /ˈfrʌmpi/ BrE AmE ( also frump‧ish /ˈfrʌmpɪʃ/) adjective a woman who is frumpy looks unattractive because she dresses in old-fashioned clothes Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012