frump /fɹʌmp/noun 4verb 2forms 3 noun4 •(informal) A frumpy person, somebody who is unattractive, drab or dowdy.You look like such a frump today! •(informal) Unattractive, dowdy clothes.Get that frump off – it's horrid! •(old-fashioned) A bad-tempered person. •(no longer used) A flout or snub. verb2 •To assume a countenance or demeanor indicating irritation, ill-humor, or disapproval.I told the guy "Well, now all I can do is come up with excuses" & told him I had to babysit. He frumped like, "Oh, shame!" and asked if I'd be there later. — 1982 •(no longer used) To insult; to flout; to mock; to snub.Was ever gentlewoman So frump'd off with a fool! — 1617 formsfrumped · frumping · frumps