an unhappy and worried mental state
"there was too much anger and disturbance"
"she didn't realize the upset she caused me"
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"
Disturbance or disruption.
"The sudden power outage caused an upset in the factory's production schedule."
In plain English: An upset is an argument that ruins your day and makes you feel really angry or disappointed about something unfair.
"The news caused great upset among the family members."
disturb the balance or stability of
"The hostile talks upset the peaceful relations between the two countries"
cause to lose one's composure
"The sudden news completely upset him, causing him to stumble and drop his coffee cup."
To make (a person) angry, distressed, or unhappy.
"The bad news upset her deeply."
In plain English: To upset someone means to make them feel sad, angry, or annoyed by doing something wrong.
"The loud noise completely upset him, and he started crying immediately."
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"
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"
used of an unexpected defeat of a team favored to win
"the Bills' upset victory over the Houston Oilers"
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"
Angry, distressed, or unhappy.
"She felt deeply upset when she heard the bad news about her friend's accident."
In plain English: Upset means feeling sad, angry, or worried about something that went wrong.
"I was upset to hear that my team lost the game."
Usage: Use the adjective upset to describe someone who is emotionally disturbed rather than physically overturned. It often implies a temporary state of distress caused by bad news or disappointment.
The word upset comes from Middle English, where it originally meant the act of setting something up or establishing it. It is formed by combining the prefix up- with the verb set.