Synonym: agitate, bother, capsize, confuse, defeat, disturb, fluster, overthrow, overturn, overwhelm, perturb, revolution, ruffle, shake, tip over, trouble, unnerve, unsettle. Similar words: upstairs, glimpse, collapse, set, set off, set out, set up, asset. Meaning: [ʌp'set] 
n. 1. an unhappy and worried mental state 2. the act of disturbing the mind or body 3. condition in which there is a disturbance of normal functioning 4. a tool used to thicken or spread metal (the end of a bar or a rivet etc.) by forging or hammering or swaging 5. the act of upsetting something 6. an improbable and unexpected victory. v. 1. disturb the balance or stability of 2. cause to lose one's composure 3. move deeply 4. cause to overturn from an upright or normal position 5. form metals with a swage 6. defeat suddenly and unexpectedly. adj. 1. afflicted with or marked by anxious uneasiness or trouble or grief 2. thrown into a state of disarray or confusion 3. used of an unexpected defeat of a team favored to win 4. mildly physically distressed 5. having been turned so that the bottom is no longer the bottom.
n. 1. an unhappy and worried mental state 2. the act of disturbing the mind or body 3. condition in which there is a disturbance of normal functioning 4. a tool used to thicken or spread metal (the end of a bar or a rivet etc.) by forging or hammering or swaging 5. the act of upsetting something 6. an improbable and unexpected victory. v. 1. disturb the balance or stability of 2. cause to lose one's composure 3. move deeply 4. cause to overturn from an upright or normal position 5. form metals with a swage 6. defeat suddenly and unexpectedly. adj. 1. afflicted with or marked by anxious uneasiness or trouble or grief 2. thrown into a state of disarray or confusion 3. used of an unexpected defeat of a team favored to win 4. mildly physically distressed 5. having been turned so that the bottom is no longer the bottom. 
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151) I was only teasing, I didn't mean to upset you.
152) She is deeply upset.
153) Why did you have to go and upset your mother like that?
154) I didn't want to give him the satisfaction of seeing how upset I was.
155) She tends to adopt a falsely cheerful tone when she's upset about something.
156) I didn't mention it because I was afraid of upsetting him/afraid I might upset him.
157) The carriage upset and we were all spilled into the ditch.
158) I used to get very upset and scream and swear(sentencedict.com), throwing tantrums all over the place.
159) He was obviously upset, and muttered something about girlfriend trouble.
160) I know she upset you, but I'm sure it was unintentional.
161) It was just a gag-we didn't mean to upset anyone.
162) It's easy to get a tummy upset from river water.
163) We were in an impossible situation - whatever we did[sentencedict.com], someone would be upset.
164) Her cancellation of her trip to Paris upset our plan.
165) She warned me not to say anything to upset him.
166) She's terribly upset because her father passed away last week.
167) He sounded a touch upset when I spoke to him on the phone.
168) The company has survived the recent upset in share prices.
169) I was upset by Eleanor's remarks, but didn't make an issue of it.
170) He grinned, and then checked himself, not wanting to upset Jack.
171) I can't tell whether he's really upset, or if he's just putting it on.
172) There was a major upset when the young skater took the gold medal.
173) A girl he knew had upset him by commenting on his increasing girth.
174) They have been treated badly, and they are rightly upset.
175) Something's happened to upset him but we don't know what it is.
176) I felt like a real heel when I saw how I'd upset her.
177) Your son is upset because he flunked a history exam.
178) I'm bowdlerizing it-just slightly changing one or two words so listeners won't be upset.
179) She sounded upset when I said you couldn't give her an appointment.
180) He was evidently upset by the news of the accident.
More similar words: upstairs, glimpse, collapse, set, set off, set out, set up, asset, settle, closet, set down, setting, set free, set forth, set back, set about, settle for, set aside, set apart, settle down, set fire to, give rise to, settlement, unsettling.