inside of(redirected from inside of something)
Within a given range of distance or period of time. We were inside of a mile from town when we ran out of gas. We should arrive at grandma's house inside of an hour.
Within, in less than the whole of, referring especially to a period of time. For example, They promised to return it inside of a month. Although some authorities believe inside alone conveys the same meaning, the full term is widely used. [Early 1800s]