upset-n; 6 Senses

Sense Number 1: a worried, unhappy mental state

Commentary: UPSET[+state][+mental][+unhappy][+worried]

The constant quarreling of his parents caused the child a lot of upset.
Money problems were creating worry and upset for John.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: an unpleasant disruption of normal routine

Commentary: UPSET[+event][+disruption][+unpleasant][+of_routine]

The recent upset in the financial markets has rippled to other sectors of the economy.
The labor strike caused an upset in the operations of the factory.

WordNet 3.0 Sense Numbers: 2

Sense Number 3: medical ailment interfering with normal function

Commentary: UPSET[+state][+medical][+affliction][+of_function][+normal]

Mary complained of stomach upset after eating the cafeteria food.
The patient saw his doctor after experiencing a week of lower GI tract upset.
The disease is basically an upset of the body's insulin production.

WordNet 3.0 Sense Numbers: 3

Sense Number 4: a metal-shaping tool

Commentary: UPSET[+artifact][+tool][+metal_shaping][+swage]

The blacksmith used an upset to forge the horseshoe.

WordNet 3.0 Sense Numbers: 4

Sense Number 5: physically overturning an object

Commentary: UPSET[+event][+physical][+overturning][+of_object]

Bob's upset of the tea tray with his elbow sent cups and saucers flying to the floor.
Please try to avoid an upset of those cans of open paint.

WordNet 3.0 Sense Numbers: 5

Sense Number 6: an improbable or surprising victory

Commentary: UPSET[+event][+victory][+improbable]

Their team beat the champions in an 11-inning upset last night.
If John wins the election it will be quite an upset.

WordNet 3.0 Sense Numbers: 6