preposition / adverb

in

Inside a place, period, group, or condition.

The children play in the yard after school.

Etymology

The inherited preposition expresses containment. It extends the relation of being within a place to being within a period, group, or condition.

More examples

  • We usually take our vacation in July.
  • She sings in the school choir.
  • The old bridge is still in good condition.
  • Please come in and sit down.

Similar words

inside
More explicitly emphasizes the interior of a place or container.
within
Emphasizes boundaries or limits, including limits of time.