Law. having no legal force or effect; not legally binding or enforceable.
useless; ineffectual; vain.
devoid; destitute (usually followed by of ): a life void of meaning.
without contents; empty.
without an incumbent, as an office.
Mathematics. (of a set) empty.
(in cards) having no cards in a suit.
an empty space; emptiness: He disappeared into the void.
something experienced as a loss or privation: His death left a great void in her life.
a gap or opening, as in a wall.
a vacancy; vacuum.
Typography. counter3 ( def 10 ).
(in cards) lack of cards in a suit: a void in clubs.
verb (used with object)
to make ineffectual; invalidate; nullify: to void a check.
to empty; discharge; evacuate: to void excrement.
to clear or empty (often followed by of ): to void a chamber of occupants.
Archaic. to depart from; vacate.
verb (used without object)
to defecate or urinate.

1250–1300; (adj.) Middle English voide < Anglo-French, Old French < Vulgar Latin *vocīta, feminine of *vocītus, dissimilated variant of Latin vocīvus, itself variant of vac(ī)vus empty; see vacuum; (v.) Middle English voiden < Anglo-French voider, Old French < Vulgar Latin *vocītāre, derivative of *vocītus; (noun) derivative of the adj.

voidness, noun
nonvoid, adjective, noun
prevoid, verb (used with object)
unvoid, adjective
unvoidness, noun

3, 4. See empty. 5. vacant, unoccupied. 8. vacuum.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
void (vɔɪd)
adj (foll by of)
1.  without contents; empty
2.  not legally binding: null and void
3.  (of an office, house, position, etc) without an incumbent; unoccupied
4.  destitute or devoid: void of resources
5.  having no effect; useless: all his efforts were rendered void
6.  (of a card suit or player) having no cards in a particular suit: his spades were void
7.  an empty space or area: the huge desert voids of Asia
8.  a feeling or condition of loneliness or deprivation: his divorce left him in a void
9.  a lack of any cards in one suit: to have a void in spades
10.  Also called: counter the inside area of a character of type, such as the inside of an o
11.  to make ineffective or invalid
12.  to empty (contents, etc) or make empty of contents
13.  (also intr) to discharge the contents of (the bowels or urinary bladder)
14.  archaic to vacate (a place, room, etc)
15.  obsolete to expel
[C13: from Old French vuide, from Vulgar Latin vocītus (unattested), from Latin vacuus empty, from vacāre to be empty]

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

late 13c., "unoccupied, vacant," from Anglo-Fr. and O.Fr. voide "empty, vast, wide, hollow, waste," from L. vocivus "unoccupied, vacant," related to vacuus "empty" (see vacuum). Meaning "lacking or wanting" (something) is recorded from early 15c. Meaning "legally invalid"
is attested from mid-15c. Noun sense of "empty space, vacuum" is from 1727. The verb meaning "to clear" (some place, of something) is first recorded c.1300; meaning "to deprive (something) of legal validity" is attested from early 14c.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

void (void)
v. void·ed, void·ing, voids
To excrete body wastes. adj.
Containing no matter; empty.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Idioms & Phrases


see null and void.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Example sentences
Bankruptcy would have made the contracts null and void, at best in line with
  all the unsecured creditors.
These intentionally confusing spaces are created in part by a long void that
  cuts through the length and height of the museum.
Not surprisingly, three decades later there is no shortage of observers rushing
  to fill the void with all sorts of explanations.
The difference between manufacturing and services is not an ontological void
  between making things and not making things.
Idioms & Phrases
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