intramural

/ˌˈɪntrəˌmjur(ə)l/

/ɪntrəˈmʊrəl/

Something that's intramural takes place within a single institution or community. Your local recreational center might offer intramural table tennis to its members.

First used in the mid-19th century, the adjective intramural comes from the prefix intra, meaning "within," and the Latin word murus, meaning "walls." It describes an activity that is done within the boundaries — the walls — of an organization or community. You might be familiar with intramural sports leagues that are intended for recreation and fun. They're often offered though a school or community group and are typically open for any member to join.

Definitions of intramural

1. adjective

   carried on within the bounds of an institution or community
   “most of the students participated actively in the college's intramural sports program”

   synonyms:

   internal, intragroup

   occurring within an institution or community

   antonyms:

   extramural

   carried on outside the bounds of an institution or community

   intercollegiate

   used of competition between colleges or universities

   intermural

   between two or more institutions etc

   interscholastic, interschool

   used of competition or cooperation between secondary schools

   outside

   functioning outside the boundaries or precincts of an organized unit