verb-intransitive. To walk with long steps, especially in a hasty or vigorous way.verb-intransitive. To take a single long step, as in passing over an obstruction.verb-intransitive. To stand or sit astride; straddle.v. To walk with long steps on, along, or over: striding the stage. v. To step over or across: stride a brook. v. To be astride of; straddle.n. The act of striding.n. A single long step.n. The distance traveled in such a step.n. A single coordinated movement of the four legs of a horse or other animal, completed when the legs return to their initial relative position.n. The distance traveled in such a movement.n. A step of progress; an advance. Often used in the plural: making great strides in their studies. idiom. hit (one's) stride To achieve a steady, effective pace.idiom. hit (one's) stride To attain a maximum level of competence.idiom. take in stride To cope with calmly, without interrupting one's normal routine: taking their newfound wealth in stride.