UPSET

I. verb (-set; -setting) Date: 1677 transitive verb to thicken and shorten (as a heated bar of iron) by hammering on the end ; swage , to force out of the usual upright, level, or proper position ; overturn , 3. to trouble mentally or emotionally ; disturb the poise of , to throw into disorder, invalidate , to defeat unexpectedly , to cause a physical disorder in, intransitive verb to become overturned, see: discompose ~ter noun II. noun Date: 1804 an act of overturning ; overturn , 2. a. an act of throwing into disorder ; derangement, a state of disorder ; confusion , an unexpected defeat, 3. a minor physical disorder , an emotional disturbance , 4. a part of a rod (as the head on a bolt) that is ~, the expansion of a bullet on striking, III. adjective Date: 1805 emotionally disturbed or agitated