slow up

phrasal verbPart ofslow

slow up — phrasal verb

1. to move or work more slowly; to cause someone or something to move at a slower p

1.phrasal verb
Definition

to move or work more slowly; to cause someone or something to move at a slower pace

Example

The roadworks slowed up traffic on the motorway for several miles.

Age has slowed Grandpa up a little, but he still walks to the market every morning.