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1. pt. and pp. of bind.
2. tied; in bonds: a bound prisoner.
3. confined to or by something: bound to one's desk.
4. made fast as if by a band or bond.
5. secured within a cover, as a book.
6. under a legal or moral obligation.
7. destined or certain: It is bound to happen.
8. determined: He is bound to go.
9. constipated.
10. held with another element or material in chemical or physical union.
11. (of a linguistic form) occurring only in combination with other forms, never by itself, as most affixes: The -edin seated is a bound form. Compare free (def. 31).
12. (of a variable in logic) occurring within the scope of a quantifier. Compare free (def. 28).
bound′ness, n.


1. to move by leaps; spring.
2. to rebound; bounce.
3. a leap onward or upward; jump.
4. a rebound; bounce.
[1545–55; < Middle French bond a leap, bondir to leap]
bound′ing•ly, adv.


1. Usu., bounds. limit or boundary: within the bounds of reason.
2. something that limits, confines, or restrains.
3. bounds,
a. territories on or near a boundary.
b. land within boundary lines.
4. a number greater than or equal to, or less than or equal to, all the numbers in a given set: greatest lower bound.
5. to limit by or as if by bounds.
6. to form the boundary or limit of.
7. to name or list the boundaries of.
8. to abut.
out of bounds,
a. beyond the official boundaries, prescribed limits, or restricted area.
b. forbidden; prohibited.
[1175–1225; Middle English bounde < Anglo-French; Old French bone, bonde, variant of bodne < Medieval Latin budina, of uncertain orig.; compare bourn2]
bound′a•ble, adj.



1. going or intending to go; destined (usu. fol. by for): The train is bound for Denver.
2. Archaic. prepared; ready.
[1150–1200; Middle English b(o)un ready < Old Norse būinn, past participle of būa to get ready]


a combining form of bound1: snowbound.


a combining form of bound4: eastbound.


[-baʊnd] ADJ (ending in compounds) to be London-bound [person] → ir rumbo a Londres
a Paris-bound flight/planeun vuelo/avión con destino a París
the south-bound carriagewayla calzada dirección sur


[-baʊnd] suffix
leather-bound [book] → relié(e) en cuir
wheelchair-bound [person] → en chaise roulante
desk-bound [person] → sédentaire
a fog-bound airport → un aéroport fermé en raison du brouillard
a frost-bound field → un champ gelé
strike-bound [factory] → paralysé(e) par la grève