Definitions of upset:

• noun:   the act of upsetting something

  Example: "He was badly bruised by the upset of his sled at a high speed"

• noun:   the act of disturbing the mind or body

  Example: "His carelessness could have caused an ecological upset"

• noun:   a tool used to thicken or spread (the end of a bar or a rivet etc.) by forging or hammering or swaging
• noun:   an improbable and unexpected victory

  Example: "The biggest upset since David beat Goliath"

• noun:   condition in which there is a disturbance of normal functioning

  Example: "Everyone gets stomach upsets from time to time"

• noun:   an unhappy and worried mental state

  Example: "She didn't realize the upset she caused me"

• verb:   disturb the balance or stability of

  Example: "The hostile talks upset the peaceful relations between the two countries"

• verb:   defeat suddenly and unexpectedly

  Example: "The foreign team upset the local team"

• verb:   cause to lose one's composure
• verb:   form metals with a swage
• verb:   move deeply

  Example: "This book upset me"

• verb:   cause to overturn from an upright or normal position
• adjective:   mildly physically distressed

  Example: "An upset stomach"

• adjective:   having been turned so that the bottom is no longer the bottom

  Example: "The upset pitcher of milk"

• adjective:   thrown into a state of disarray or confusion

  Example: "With everything so upset"

• adjective:   afflicted with or marked by anxious uneasiness or trouble or grief

  Example: "Too upset to say anything"