1. (noun)disturbance, perturbation, upset an unhappy and worried mental state "there was too much anger and disturbance"; "she didn't realize the upset she caused me"
2. (noun)upset, derangement, overthrow 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. (noun)disorder, upset a physical condition in which there is a disturbance of normalfunctioning "the doctor prescribed some medicine for the disorder"; "everyone gets stomach upsets from time to time"
5. (noun)upset, overturn, turnover the act of upsetting something
"he was badly bruised by the upset of his sled at a high speed"
6. (noun)overturn, upset an improbable and unexpected victory "the biggest upset since David beat Goliath"
7. (adj)disquieted, distressed, disturbed, upset, worried 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"
8. (adj)broken, confused, disordered, upset 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"
9. (adj)upset(a) used of an unexpected defeat of a team favored to win
"the Bills' upset victory over the Houston Oilers"
11. (adj)overturned, upset, upturned 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"
12. (verb)upset disturb the balance or stability of
"The hostile talks upset the peaceful relations between the two countries"
13. (verb)upset, discompose, untune, disconcert, discomfit cause to lose one's composure
14. (verb)disturb, upset, trouble move deeply
"This book upset me"; "A troubling thought"
15. (verb)overturn, tip over, turn over, upset, knock over, bowl over, tump over 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"
16. (verb)swage, upset form metals with a swage
17. (verb)upset defeat suddenly and unexpectedly
"The foreign team upset the local team"