out of bounds


Sports. being beyond or passing the limits or boundaries of a field, course, etc., marking the area within which the ball, puck, or the like is legally in play.
beyond any established boundaries or prescribed limits; prohibited; forbidden.
further than or beyond established limits, as of behavior or thought.


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3 [bound]
Usually, bounds. limit or boundary: the bounds of space and time; within the bounds of his estate; within the bounds of reason.
something that limits, confines, or restrains.
territories on or near a boundary.
land within boundary lines.
Mathematics. a number greater than or equal to, or less than or equal to, all the numbers in a given set. Compare greatest lower bound, least upper bound, lower bound, upper bound.
verb (used with object)
to limit by or as if by bounds; keep within limits or confines.
to form the boundary or limit of.
to name or list the boundaries of.
verb (used without object)
to abut.
out of bounds,
beyond the official boundaries, prescribed limits, or restricted area: The ball bounced out of bounds.
forbidden; prohibited: The park is out of bounds to students.

1175–1225; Middle English bounde < Anglo-French; Old French bone, bonde, variant of bodne < Medieval Latin budina, of uncertain origin; cf. bourn2

boundable, adjective

1. border, frontier, confine.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
bound1 (baʊnd)
1.  the past tense and past participle of bind
adj (, often foll by by) (, foll by on)
2.  in bonds or chains; tied with or as if with a rope: a bound prisoner
3.  (in combination) restricted; confined: housebound; fogbound
4.  (postpositive, foll by an infinitive) destined; sure; certain: it's bound to happen
5.  compelled or obliged to act, behave, or think in a particular way, as by duty, circumstance, or convention
6.  See also half-bound (of a book) secured within a cover or binding: to deliver bound books
7.  (US) resolved; determined: bound on winning
8.  linguistics
 a.  Compare free denoting a morpheme, such as the prefix non-, that occurs only as part of another word and not as a separate word in itself
 b.  Compare freestanding (in systemic grammar) denoting a clause that has a nonfinite predicator or that is introduced by a binder, and that occurs only together with a freestanding clause
9.  logic See free (of a variable) occurring within the scope of a quantifier that indicates the degree of generality of the open sentence in which the variable occurs: in (x) (Fxbxy), x is bound and y is free
10.  bound up with closely or inextricably linked with: his irritability is bound up with his work
11.  I'll be bound I am sure (something) is true

bound2 (baʊnd)
1.  to move forwards or make (one's way) by leaps or jumps
2.  to bounce; spring away from an impact
3.  a jump upwards or forwards
4.  by leaps and bounds with unexpectedly rapid progess: her condition improved by leaps and bounds
5.  a sudden pronounced sense of excitement: his heart gave a sudden bound when he saw her
6.  a bounce, as of a ball
[C16: from Old French bond a leap, from bondir to jump, resound, from Vulgar Latin bombitīre (unattested) to buzz, hum, from Latin bombus booming sound]

bound3 (baʊnd)
vb (when intr, foll by on)
1.  (tr) to place restrictions on; limit
2.  to form a boundary of (an area of land or sea, political or administrative region, etc)
3.  maths
 a.  See also bounded a number which is greater than all the members of a set of numbers (an upper bound), or less than all its members (a lower bound)
 b.  more generally, an element of an ordered set that has the same ordering relation to all the members of a given subset
 c.  whence, an estimate of the extent of some set
4.  See bounds
[C13: from Old French bonde, from Medieval Latin bodina, of Gaulish origin]

bound4 (baʊnd)
adj (, often foll by for)
a.  going or intending to go towards; on the way to: a ship bound for Jamaica; homeward bound
 b.  (in combination): northbound traffic
[C13: from Old Norse buinn, past participle of būa to prepare]

out of bounds
adj, —adv
1.  (often foll by to) not to be entered (by); barred (to): out of bounds to civilians
2.  outside specified or prescribed limits

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

"to leap," 1580s, from Fr. bondir "to rebound, resound, echo," from O.Fr. bondir "to leap, rebound; make a noise, beat (a drum)," 13c., ultimately "to echo back," from V.L. *bombitire "to buzz, hum" (see bomb), perhaps on model of O.Fr. tentir from V.L. *tinnitire.

"fastened," mid-14c., in figurative sense of "compelled," from bounden, pp. of bind (q.v.). Meaning "under obligation" is from late 15c.; the literal sense "made fast by tying" is the latest recorded (1550s).

"ready to go," c.1200, boun, from O.N. buinn pp. of bua "to prepare," also "to dwell, to live," from P.Gmc. *bowan (cf. O.H.G. buan "to dwell," O.Dan. both "dwelling, stall"), from PIE base *bheue- "to be, exist, dwell" (see be). Final -d is presumably through association with bound (adj.1).

"limit," c.1200, from Anglo-L. bunda, from O.Fr. bonde "limit, boundary, boundary stone" (12c., Mod.Fr. borne), variant of bodne, from M.L. bodina, perhaps from Gaulish. Now chiefly in out of bounds, which originally referred to limits imposed on students at schools. The verb meaning "to form the boundary
of" is from c.1600. Boundless is from 1590s.

past tense of bind (v.).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Idioms & Phrases

out of bounds

Beyond established limits, breaking the rules, unreasonable. For example, Calling the teacher a liarthat's out of bounds. This expression alludes to the boundaries of the playing area in numerous sports and to the rules applying to them. Its figurative use dates from the 1940s. [Early 1800s] Also see within bounds.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Idioms & Phrases
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