slow down

slow down (third-person singular simple present slows down, present participle slowing down, simple past and past participle slowed down)

1. (transitive, intransitive) Decelerate.
   • 1967, Sleigh, Barbara, Jessamy, 1993 edition, Sevenoaks, Kent: Bloomsbury, →ISBN, page 7:

     When the long, hot journey drew to its end and the train slowed down for the last time, there was a stir in Jessamy’s carriage.

   • 2013 June 1, “Ideas coming down the track”, in The Economist, volume 407, number 8838, page 13 (Technology Quarterly):

     A “moving platform” scheme […] is more technologically ambitious than maglev trains even though it relies on conventional rails. […] This set-up solves several problems […]. Stopping high-speed trains wastes energy and time, so why not simply slow them down enough for a moving platform to pull alongside?

   When approaching a bend in the road, slow down, and speed up after leaving it.

• slow up

• speed up

• lowdowns