noun
verb
To turn over
To disturb
To beat
upset is the ordinary word implying a toppling, disorganization, etc. as a result of a loss of balance or stability to upset a glass, one's plans, etc.; emotionally upset; overturn implies a turning of a thing upside down or flat on its side and, in extended use, connotes the destruction of something established to overturn a chair, a government, etc.; capsize specifically implies the overturning or upsetting of a boat
See upset in Webster's New World Roget's A-Z Thesaurus II
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