Stumped
Stumped is the past participle of the verb stump and is used as an adjective to describe a person who is perplexed or unable to answer a question. In informal English, one may say “I’m stumped” when faced with a difficult riddle or problem. This sense conveys temporary confusion rather than a long-term inability to know something.
As a verb, stump has two broad uses. One is political campaigning, where to stump means to
Usage notes: the sense of being stumped is typically informal and indicates a momentary impasse. The term