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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271) I asked her the question in all innocence. I didn't know it was going to upset her.
272) If you breathe a word of this to anyone, I'll be really upset.
273) 'Don't be too upset if he doesn't come,' said Drew in an undertone.
274) What have you done to your sister? She's very upset.
275) Keep your shirt on! There's no need to get so upset.
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.