Below is the definition for the word you requested, useful for Scrabble and other word games. To find more definitions please use the dictionary page.
used of an unexpected defeat of a team favored to win; "the Bills' upset victory over the Houston Oilers"
thrown into a state of disarray or confusion;
afflicted with or marked by anxious uneasiness or trouble or grief; "too upset to say anything"; "spent many disquieted moments"; "distressed about her son's leaving home"; "lapsed into disturbed sleep"; "worried parents"; "a worried frown"; "one last worried check of the sleeping children"
an improbable and unexpected victory; "the biggest upset since David beat Goliath"
having been turned so that the bottom is no longer the bottom; "an overturned car"; "the upset pitcher of milk"; "sat on an upturned bucket"
the act of upsetting something; "he was badly bruised by the upset of his sled at a high speed"
mildly physically distressed; "an upset stomach"
the act of disturbing the mind or body; "his carelessness could have caused an ecological upset"; "she was unprepared