slow² S3 W2 (also slow down/up) verb [intransitive and transitive]
to become slower or to make something slower:
Her breathing slowed and she fell asleep.
Ian slowed up as he approached the traffic lights.
slow down phrasal verb

1. to become slower or to make something slower:
Growth in sales has slowed down.
slow somebody/something ↔ down
The ice on the road slowed us down.

2. to become less active or busy than you usually are:
It is important to slow down, rest, and eat sensibly.
slow down phrasal verb (see also slow)

1. to become slower or to make something slower:
Growth in sales has slowed down.
slow somebody/something ↔ down
The ice on the road slowed us down.

2. to become less active or busy than you usually are:
It is important to slow down, rest, and eat sensibly.

[TahlilGaran] Dictionary of Contemporary English ▲

slow down
to go more slowly than usual, to cause something to reduce speed
You should slow down when you are driving on a wet road.

[TahlilGaran] English Idioms Dictionary ▲

slow down
v. phr. To go more slowly than usual.
The road was slippery, so Mr. Jones slowed down the car.
Pat once could run a mile in five minutes, but now that he's older he's slowing down.
Compare: LET UP². STEP DOWN.
Antonym: SPEED UP.

[TahlilGaran] English Idioms Dictionary ▲