occupying the same space <South Dakota's Todd County is coextensive with the Rosebud Sioux Reservation> Related Words allover
existing or occurring at the same period of time <the golden age of Dutch culture was roughly coextensive with the Netherlands' reign as a world power> Synonyms coetaneous
Seen & Heard
What made you want to look up coextensive? Please tell us where you read or heard it (including the quote, if possible).