(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

(idiomatic) To continue without interruption / Using a certain time zone. / (idiomatic) To continue talking for a long time. / To operate with a particular energy source.

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

(transitive, informal, chiefly passive) To arrest; (especially) to track down and arrest. / (transitive, Britain) To use new machinery at less than full speed, preventing damage.

Alternative spelling of run-in (omitting the hyphens from nouns of this type is nonstandard in formal publications but widely seen in unedited writing)

(participial adjective; editing, typography) (not comparable) Having been run in before or behind previous text.

(participial adjective; editing, typography) (not comparable) Having been run in before or behind previous text.