The action of the verb to run. / The activity of running as a form of exercise, as a sport, or for any other reason.

Present participle of run.

(intransitive) To move forward quickly upon two feet by alternately making a short jump off either foot. (Compare walk.) / (intransitive) To go at a fast pace; to move quickly.

Act or instance of running, of moving rapidly using the feet. / Act or instance of hurrying (to or from a place) (not necessarily on foot); dash or errand, trip. / A pleasure trip.

In a liquid state; melted or molten. / Cast in a mould. / Exhausted; depleted (especially with "down" or "out"). / (of a zoology) Travelled, migrated; having made a migration or a spawning run.

past participle of rin

Used other than figuratively or idiomatically: see on, run. / (idiomatic) Fleeing. / (idiomatic) At a disadvantage; forced to abandon a position.

(soccer, rugby, etc.) An amount of time spent playing on the field during a game, especially so as to evaluate a player's abilities. / A run-on sentence.

Continuing on where a rhetorical pause would be more appropriate. / Placed or coming at the end of something, such as at the end of a dictionary entry.

(intransitive but with prepositional object, literally) To enter by running. / (intransitive but with prepositional object) To collide with.