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 variable may be said to be either free or bound. Some older books use the terms real variable and apparent variable for f ...

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 every element of . Dually, a lower bound or minorant of is defined to be an element of that is less th ...

, observed limits of mathematical functions

Physics

Bound state A bound state is a composite of two or more fundamental building blocks, such as particles, atoms, or bodies, that behaves as a single object and in which energy is required to split them. In quantum physics, a bound state is a quantum state of a ...

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

Geography

Bound Brook (Raritan River) Bound Brook is a tributary of the Raritan River in Middlesex County, New Jersey, in the United States. Its name comes from a boundary in an Indian deed. The stream is referred to as Sacunk, a Native American name meaning "slow sluggish str ...

, a tributary of the Raritan River in New Jersey *

Bound Brook, New Jersey Bound Brook is a borough in Somerset County, in the U.S. state of New Jersey, located along the Raritan River. As of the 2020 United States census, the borough's population was 11,988, an increase of 1,586 (+15.2%) from the 2010 census coun ...

, a borough in Somerset County *

Boundary (real estate) A unit of real estate or immovable property is limited by a legal boundary (sometimes also referred to as a property line, lot line or bounds). The boundary (in Latin: ''limes'') may appear as a discontinuation in the terrain: a ditch, a bank, a ...

, the boundary of an estate is its bounds

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 * ''Bound'' (2023 film), an American crime-drama/thriller film by Isaac Hirotsu Woofter

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 ''Rusted Angel'' is the debut album by Swedish metal band Darkane. This was the only Darkane album with Lawrence Mackrory until his return in mid-2011. The song "July 1999" is about one Nostradamus prediction. Track listing Personnel Darkane ...

'' * "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 & C ...

'' *

Bount This is a list of characters for Tite Kubo's manga and anime series ''Bleach (manga), Bleach''. It takes place in a fictional universe in which the characters are split into various factionalized fictional races. They are subdivisions of humanity ...

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 an agreement that specifies certain legally enforceable rights and obligations pertaining to two or more parties. A contract typically involves consent to transfer of goods, services, money, or promise to transfer any of thos ...

* Boundary (sports), the edges of a field *

Butts and bounds Butts and bounds, shortened form for "abuttals and boundaries" of a property, are the boundary lines delineated between plots of land, usually those which define the end of an estate, as used in legal deeds, titles, etc. These are usually descrip ...

, delineation of property bounds