From Longman Dictionary of Contemporary Englishfrumpyfrump‧y /ˈfrʌmpi/ (also frumpish /ˈfrʌmpɪʃ/) adjective OLD-FASHIONEDa woman who is frumpy looks unattractive because she dresses in old-fashioned clothes
Examples from the Corpus
frumpy• a frumpy housewife• All the frumpy people in their starchy clothes. 