in
//ɪn//
Preposition
Expressing the situation of something that is or appears to be enclosed or surrounded by something else.
The keys are in the drawer.
Expressing motion with the result that something ends up within or surrounded by something else.
She put the keys in her bag.
Expressing a period of time during which an event takes place or a situation remains the case.
I'll be back in an hour.
Expressing the length of time before a future event is expected to take place.
I'll be back in an hour.
Expressing a state, condition, or quality.
She is in good health.
Indicating the language, medium, or material used.
She wrote the letter in English.
Indicating a person's occupation or field of activity.
She works in marketing.
Adverb
Expressing movement with the result that someone or something becomes enclosed or surrounded by something else.
Come in and close the door.
Expressing the situation of being enclosed or surrounded by something.
Come in, the door is open.
Present at one's home or office.
Is the manager in today?
(of the tide) rising or at its highest level.
The tide is in now, so we can go swimming.
Antonym
Adjective
Fashionable or popular.
Short skirts are in this season.
Confined to or inside a particular place.
Is your mother in?
Synonym
Antonym
Noun
A position of influence or power, especially with those in authority.
He has an in with the mayor.