upset
/ˈʌp.sɛt/ noun C2- Disturbance or disruption. · My late arrival caused the professor considerable upset.
- An unexpected victory of a competitor or candidate that was not favored to win.
- An overturn. · "collision and upset": impact with another object or an overturn for whatever reason.
- An upset stomach.
- An upper set; a subset (X,≤) of a partially ordered set with the property that, if x is in U and x≤y, then y is in U.
- The dangerous situation where the flight attitude or airspeed of an aircraft is outside the designed bounds of operation, possibly resulting in loss of control.
- A woven row supporting the foundation rods for the uprights of a basket.
Plural upsets
From the library
“‘“Then we run another risk,” said the general, laughing, “that of being upset.” We insert this joke to prove that the general was not in the least compelled to attend the meeting, but that he came willingly.
Then the Lion gathered his legs under him and jumped on the wall; but just as he jumped, he upset a china church with his tail and smashed it all to pieces.
This Brixton Road affair has upset you.”
Gregson sprang out of his chair and upset the remainder of his whiskey and water.
Other matches
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