n.
Pronunciation: ( ˌ ) ə p- ' set
Function: verb
Inflected Form: -set ; -set · ting
Date: 1677
transitive verb
1 : to thicken and shorten (as a heated bar of iron) by hammering on the end : SWAGE
2 : to force out of the usual upright, level, or proper position : OVERTURN
3 a : to trouble mentally or emotionally : disturb the poise of <the news upset me> b : to throw into disorder c : INVALIDATE d : to defeat unexpectedly <was upset in the primary>
4 : to cause a physical disorder in specifically : to make somewhat ill <spicy food upset s my stomach>
intransitive verb : to become overturned
synonyms see DISCOMPOSE
– up · set · ter noun
– upset the apple cart : to disturb or overturn a natural or stable order