Noun
1. an unhappy and worried mental state;
"there was too much anger and disturbance""she didn't realize the upset she caused me"2. the act of disturbing the mind or body;
"his carelessness could have caused an ecological upset""she was unprepared for this sudden overthrow of their normal way of living"3. condition in which there is a disturbance of normal functioning;
"the doctor prescribed some medicine for the disorder""everyone gets stomach upsets from time to time"4. a tool used to thicken or spread (the end of a bar or a rivet etc.) by forging or hammering or swaging
5. the act of upsetting something;
"he was badly bruised by the upset of his sled at a high speed"6. an improbable and unexpected victory;
"the biggest upset since David beat Goliath"Verb
1. disturb the balance or stability of;
"The hostile talks upset the peaceful relations between the two countries"2. cause to lose one's composure
3. move deeply;
"This book upset me""A troubling thought"4. cause to overturn from an upright or normal position;
"The cat knocked over the flower vase""the clumsy customer turned over the vase""he tumped over his beer"5. form metals with a swage
6. defeat suddenly and unexpectedly;
"The foreign team upset the local team"Adjective
1. 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"2. thrown into a state of disarray or confusion;
"troops fleeing in broken ranks""a confused mass of papers on the desk""the small disordered room""with everything so upset"3. used of an unexpected defeat of a team favored to win;
"the Bills' upset victory over the Houston Oilers"4. mildly physically distressed;
"an upset stomach"5. 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"