A grammatical form (often a verb form) that is used in a conditional expression to refer to an event, transaction, occurrence, or object that is hypothetical and often counterfactual.
A grammatical form (often a verb form) that refers to an event, transaction, occurrence, or object that happened (or had happened), or existed, at some time before now (the applicable reference time).
Disturbance or disruption.
An upper set; a subset (X,≤) of a partially ordered set with the property that, if x is in U and x≤y, then y is in U.
The dangerous situation where the flight attitude or airspeed of an aircraft is outside the designed bounds of operation, possibly resulting in loss of control.
An unexpected victory of a competitor or candidate that was not favored to win.
An overturn.
An upset stomach.
Angry, distressed, or unhappy.
Feeling unwell, nauseated, or ready to vomit.
To be upset or knocked over.
To shorten (a tire) in the process of resetting, originally by cutting it and hammering on the ends.
To make (a person) angry, distressed, or unhappy.
To tip or overturn (something).
To defeat unexpectedly.
To thicken and shorten, as a heated piece of iron, by hammering on the end.
To disturb, disrupt or adversely alter (something).