Definitions
1.nounDisturbance or disruption."My late arrival caused the professor considerable upset."
2.nounAn unexpected victory of a competitor or candidate that was not favored to win.
3.noun(automobile insurance) An overturn.""collision and upset": impact with another object or an overturn for whatever reason."
4.nounAn upset stomach.
5.nounAn 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.
6.nounThe dangerous situation where the flight attitude or airspeed of an aircraft is outside the designed bounds of operation, possibly resulting in loss of control.
7.verbTo make (a person) angry, distressed, or unhappy."I’m sure the bad news will upset him, but he needs to know."
8.verbTo disturb, disrupt or adversely alter (something)."Introducing a foreign species can upset the ecological balance."
9.verbTo tip or overturn (something).
10.verbTo defeat unexpectedly."Truman upset Dewey in the 1948 US presidential election."
11.verbTo be upset or knocked over."The carriage upset when the horse bolted."
12.verbTo set up; to put upright.
13.verbTo thicken and shorten, as a heated piece of iron, by hammering on the end.
14.verbTo shorten (a tire) in the process of resetting, originally by cutting it and hammering on the ends.