set in

phrasal verb·1 sense·particle in

Meanings

1

Begin and become established

Beginninguncommon

Why “in”? Entering the activity. In shows the moment you start doing something.

Winter has really set in.
Winter has firmly established itself now.
Panic set in after the alarm.
Panic began and became established after the alarm.

Don't confuse with

set inset on

Set in means begin and become established. Set on means attack someone suddenly.

Test yourself

Winter has really set in. What does it mean?

Nearby in the meaning map

Sink In connects verbs by particle pattern, contrast pairs, and shared base verbs.

Practice “set in” in Sink In

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