The forcible inclusion or entry of an external group or individual; the act of intruding.
The insertion of a phoneme into the pronunciation of a word despite its absence from the spelling. (e.g. intrusive r)
A structure that lies within a historic district but is nonhistoric and irrelevant to the district.
Magma forced into other rock formations; the rock formed when such magma solidifies.
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.
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).
Angry, distressed, or unhappy.
Feeling unwell, nauseated, or ready to vomit.