a sudden large or too large amount, especially one that seems to be uncontrolled

Incapable of being upset or agitated; not easily excited or disturbed.

To yield to pressure or give in to an overpowering force or influence.

To agree or consent quietly without protest; to accept or comply with something passively.

To remove completely or erase all traces of something.

The practice of performing operations on live animals for the purpose of experimentation and scientific research.

To express strong disapproval or disagreement, usually in a formal way.

Showing a cheerful and optimistic attitude, especially in difficult situations.

Working diligently and constantly, often to achieve a specific goal.

A bridge or elevated structure that carries a road or railway over a valley, river, or other obstacle.