The act of dismounting (a horse or bike etc.).

Alight from (a horse).

synonyms: get down, get off, light, unhorse.

Roget 292: arrive; get to, come to; come; reach, attain; come up with, come up to; overtake, make, fetch; complete etc. 729; join, rejoin.    light, alight, dismount; land, go ashore; debark, disembark; put in, put into; visit, cast anchor, pitch one's tent; sit down etc. (be located) 184; get to one's journey's end; make the land; be in at the death; come back, get back, come home, get home; return; come in etc. (ingress) 294; make one's appearance etc. (appear) 446; drop in; detrain, deplane; outspan; de-orbit.    come to hand; come at, come across; hit; come upon, light upon, pop upon, bounce upon, plump upon, burst upon, pitch upon; meet; encounter, rencounter^†; come in contact.    ... show more

Roget 306: descend; go down, drop down, come down; fall, gravitate, drop, slip, slide, rappel, settle; plunge, plummet, crash; decline, set, sink, droop, come down a peg; slump.    dismount, alight, light, get down; swoop; stoop etc. 308; fall prostrate, precipitate oneself; let fall etc. 308.    tumble, trip, stumble, titubate^†, lurch, pitch, swag, topple, topple over, tumble over, topple down, tumble down; tilt, sprawl, plump down, come down a cropper.    ... show more

Roget 645: be useless etc. adj.; go a begging etc. (redundant) 641; fail etc. 732.    seek after impossibilities, strive after impossibilities; use vain efforts, labor in vain, roll the stone of Sisyphus, beat the air, lash the waves, battre l'eau avec un baton [Fr.], donner un coup d'epee dans l'eau [Fr.], fish in the air, milk the ram, drop a bucket into an empty well, sow the sand; bay the moon; preach to the winds, speak to the winds; whistle jigs to a milestone; kick against the pricks, se battre contre des moulins [Fr.]; lock the stable door when the steed is stolen, lock the barn door after the horse is stolen etc. (too late) 135; hold a farthing candle to the sun; cast pearls before swine etc. (waste) 638; carry coals to Newcastle etc. (redundancy) 641; wash a blackamoor white etc. (impossible) 471.    render useless etc. adj.; dismantle, dismast, dismount, disqualify, disable; unrig; cripple, lame etc. (injure) 659; spike guns, clip the wings; put out of gear.    ... show more