preposition

in

in, inside, within

The cat is in the box.

The cat is in the box.

I will see you in an hour.

I will see you in an hour.

She is in a good mood.

She is in a good mood.

He works in finance.

He works in finance.

in ((a place)) inside or to a position inside a particular area or object The cat is in the box.

in ((a period of time)) during a period of time I will see you in an hour.

in ((a state/condition)) used to show a state or condition She is in a good mood.

Synonyms: inside, within; Antonyms: out, outside

From Old English `in`, from Proto-Germanic `*in`, from Proto-Indo-European root `*en` 'in'.

Visualize something contained within the boundaries of a space, time, or state.

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