Bob Kaiser, chief of tropical diseases at the CDC, was stumped by the descriptions of the fever.
When the Norwegian duo Ylvis posed it this summer, it stumped us good.
I watched him do this magic act again and again when he stumped for Hillary in North Carolina in April.
It was the same debate that stumped the supercommittee, just livelier.
When she was stumped, she told the audience to check her website the next day for her response.
They're simple enough when you know how to fit the pieces together, and you wonder why they ever stumped you.
It was now Tom's turn to be stumped, but he wouldn't let it be known.
Oh, the Old Doctor would have brought home a dead man to cure if any one had 'stumped' him.
He stumped back and forth in the narrow confines of the porch.
For a moment I was stumped and almost admitted defeat, but then it came to me.
mid-14c., "remaining part of a severed arm or leg," from or cognate with Middle Low German stump (from adjective meaning "mutilated, blunt, dull"), Middle Dutch stomp "stump," from Proto-Germanic *stump- (cf. Old Norse stumpr, Old High German and German stumpf "stump," German Stummel "piece cut off"), perhaps related to the root of stub or stamp, but the connection in each case presents difficulties.
Earliest form of the word in English is a now-obsolete verb meaning "to stumble over a tree-stump or other obstacle," attested from mid-13c. Meaning "part of a tree trunk left in the ground after felling" is from mid-15c. Sense of "walk clumsily" is first recorded c.1600; that of "baffle" is first recorded 1807, perhaps in reference to plowing newly cleared land.
"to go on a speaking tour during a political campaign," 1838, American English, from phrase stump speech (1820), from stump (n.), large tree stumps being a natural perch for rural orators (this custom is attested from 1775).
The extremity of a limb left after amputation.
The pedicle remaining after removal of the tumor to which it was attached.
[first sense fr the notion of being blocked by stumps in one's way; second sense fr standing up on a stump to make a speech]