In

/ɪn/

Meaning & Definition

noun

A position of being popular or fashionable.

She always knows what is in.

preposition

Used to indicate inclusion within a space, place, or limits.

The cat is in the box.

Indicating a period of time.

I will finish the project in two weeks.

Indicating a state or condition.

She is in a good mood today.

Used to express a particular direction towards something.

He walked in the door.

adverb

Indicating a position within a place.

The dog is in.

Referring to a state of being at home.

Are you in?

Old English 'innan', meaning 'inside, within'.

in a nutshell

In summary or in brief.

in the zone

In a state of concentration or focus.

in the dark

Uninformed about something.

in good spirits

In a happy or cheerful mood.

in the loop

Informed about something.

into

Expressing movement or action towards the inside of a place.

inside

The inner part or region of something.

inward

Towards the inside or inner part.

Currently popular or trendy.

Those shoes are really in right now.

Current situation or state.

What's the deal? Are we in or out?