умедлять v stresses
Gruzovik, inf.	slow down (one's steps); slow (one's steps); reduce speed; slacken (one's steps)
inf.	slacken; slow; slow down
obs.	delay; be slow (in)
sail.	reduce the speed
умедляться v
Gruzovik, inf.	become slower
inf.	reduce speed; slacken; slow; slow down
obs.	delay; be slow (in)