upsets

/AH0 P S EH1 T S/
noun
  1. 1

    Disturbance or disruption.

    โ€œMy late arrival caused the professor considerable upset.โ€

  2. 2

    An unexpected victory of a competitor or candidate that was not favored to win.

  3. 3

    (automobile insurance) An overturn.

    โ€œ"collision and upset": impact with another object or an overturn for whatever reason.โ€

  4. 4

    An upset stomach.

  5. 5

    An upper set; a subset (X,โ‰ค) of a partially ordered set with the property that, if x is in U and xโ‰คy, then y is in U.

  6. 6

    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.

verb
  1. 1

    To make (a person) angry, distressed, or unhappy.

    โ€œIโ€™m sure the bad news will upset him, but he needs to know.โ€

  2. 2

    To disturb, disrupt or adversely alter (something).

    โ€œIntroducing a foreign species can upset the ecological balance.โ€

  3. 3

    To tip or overturn (something).

  4. 4

    To defeat unexpectedly.

    โ€œTruman upset Dewey in the 1948 US presidential election.โ€

  5. 5

    To be upset or knocked over.

    โ€œThe carriage upset when the horse bolted.โ€

  6. 6

    To set up; to put upright.

  7. 7

    To thicken and shorten, as a heated piece of iron, by hammering on the end.

  8. 8

    To shorten (a tire) in the process of resetting, originally by cutting it and hammering on the ends.

Source: https://en.wiktionary.org/wiki/upset, https://en.wiktionary.org/wiki/upsets