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