Bound or bounds may refer to:

Mathematics

Bound variable In mathematics, and in other disciplines involving formal languages, including mathematical logic and computer science, a free variable is a notation (symbol) that specifies places in an expression where substitution may take place and is n ...

Upper and lower bounds In mathematics, particularly in order theory, an upper bound or majorant of a subset of some preordered set is an element of that is greater than or equal to every element of . Dually, a lower bound or minorant of is defined to be an ele ...

, observed limits of mathematical functions

Physics

* Bound state, a particle that has a tendency to remain localized in one or more regions of space

Geography

* Bound Brook (Raritan River), a tributary of the Raritan River in New Jersey * Bound Brook, New Jersey, a borough in Somerset County

People

* Bound (surname) * Bounds (surname)

Arts, entertainment, and media

Films

* ''Bound'' (1996 film), an American neo-noir film by the Wachowskis * ''Bound'' (2015 film), an American erotic thriller film by Jared Cohn * ''Bound'' (2018 film), a Nigerian romantic drama film by Frank Rajah Arase

Television

* "Bound" (''Fringe''), an episode of ''Fringe'' * "Bound" (''The Secret Circle''), an episode of ''The Secret Circle'' * "Bound" (''Star Trek: Enterprise''), an episode of ''Star Trek: Enterprise''

Other arts, entertainment, and media

* ''Bound'' (video game), a PlayStation 4 game * "Bound", a song by Darkane from their 1999 album '' Rusted Angel'' * "Bound", a song by Suzanne Vega from her 2007 album ''

Beauty & Crime ''Beauty & Crime'' is the seventh studio album by singer-songwriter Suzanne Vega. It is her first album of new material since 2001's '' Songs in Red and Gray'' and her first for Blue Note Records. It was released on July 17, 2007. ''Beauty & Cr ...

'' * Bount or Bound, a fictional race in the anime ''Bleach''

Other uses

* Bound (car), a British 4-wheeled cyclecar made in 1920 * Legally bound, see

Contract A contract is a legally enforceable agreement between two or more parties that creates, defines, and governs mutual rights and obligations between them. A contract typically involves the transfer of goods, services, money, or a promise to ...

* Boundary (sports), the edges of a field * Butts and bounds, delineation of property bounds