An extinct genus of hyenas, Chasmaporthetes.

(idiomatic) To perform an action which may result in a loss or failure.

Synonym of run a temperature

(idiomatic) Of a river, to experience a strong current and be full and close to overflowing. / (idiomatic) To become very angry or emotional about something.

superlative form of well-run: most well-run

comparative form of well-run: more well-run

present participle of run high

(slang) An unsanctioned speed record drive from New York City to Los Angeles, in order to achieve a new record.

present participle of run a temperature

present participle of run a fever