ex·ploit

1 [ek-sploit, ik-sploit]
noun
a striking or notable deed; feat; spirited or heroic act: the exploits of Alexander the Great.

Origin:
1350–1400; Middle English exploit, espleit < Old French exploit, Anglo-French espleit < Latin explicitum, neuter of explicitus (past participle). See explicit


accomplishment. See achievement.
Dictionary.com Unabridged

ex·ploit

2 [ik-sploit]
verb (used with object)
1.
to utilize, especially for profit; turn to practical account: to exploit a business opportunity.
2.
to use selfishly for one's own ends: employers who exploit their workers.
3.
to advance or further through exploitation; promote: He exploited his new movie through a series of guest appearances.

Origin:
1375–1425; < French exploiter, derivative of exploit (noun); replacing late Middle English expleiten to achieve < Anglo-French espleiter, derivative of espleit (noun). See exploit1

ex·ploit·a·ble, adjective
ex·ploit·a·bil·i·ty, noun
ex·ploit·a·tive, ex·ploit·a·to·ry [ik-sploi-tuh-tawr-ee, -tohr-ee] , ex·ploit·ive, adjective
ex·ploit·er, noun
half-ex·ploit·ed, adjective
non·ex·ploit·a·ble, adjective
non·ex·ploit·a·tive, adjective
non·ex·ploi·tive, adjective
self-ex·ploit·ed, adjective
self-ex·ploit·ing, adjective
un·ex·ploit·a·ble, adjective
un·ex·ploit·a·tive, adjective
un·ex·ploit·ed, adjective
un·ex·ploit·ive, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To exploit
00:10
Exploit is a GRE word you need to know.
So is extempore. Does it mean:
on the spur of the moment; without premeditation or preparation; offhand:
to praise highly
Collins
World English Dictionary
exploit
 
n
1.  a notable deed or feat, esp one that is noble or heroic
 
vb
2.  to take advantage of (a person, situation, etc), esp unethically or unjustly for one's own ends
3.  to make the best use of: to exploit natural resources
 
[C14: from Old French: accomplishment, from Latin explicitum (something) unfolded, from explicāre to explicate]
 
ex'ploitable
 
adj
 
exploi'tation
 
n
 
ex'ploitive
 
adj
 
ex'ploitative
 
adj

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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Etymonline
Word Origin & History

exploit
late 14c., from O.Fr. esploit, a very common verb, used in senses of "action, deed, profit, achievement," from L. explicitum "a thing settled, ended, displayed," neut. of explicitus, pp. of explicare "unfold" (see explicit). Sense evolution is from "unfolding" to "bringing
out" to "having advantage" to "achievement." Related: Exploits.

exploit
M.E. espleiten, esploiten "to accomplish;" the sense of "use selfishly" first recorded 1838, as an adoption of Fr. exploiter. See exploit (n.). Related: Exploited; exploiting. As an adjective form, exploitative (1882) is from French; exploitive (by 1859) appears to be a native formation
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Slang Dictionary

exploit

n. [originally cracker slang]
1. A vulnerability in software that can be used for breaking security or otherwise attacking an Internet host over the network. The Ping O' Death is a famous exploit.
2. More grammatically, a program that exploits an exploit in sense 1,
FOLDOC
Computing Dictionary

exploit definition

security
A security hole or an instance of taking advantage of a security hole.
"[...] hackers say exploit. sysadmins say hole" -- Mike Emke (http://emke.com/).
Emke reports that the stress is on the second syllable. If this is true, this may be a case of hackerly zero-deriving verbs (especially instantials) from nouns, akin to "write" as a noun to describe an instance of a disk drive writing to a disk.
(2001-11-24)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
The rich and famous can hire the best lawyers, employ their own investigators
  and exploit the media to their advantage.
Airplane wings exploit some of the same aerodynamic tricks.
We need to exploit nuclear for our electrical generation needs and reserve
  natural gas for better uses.
They can exploit synergies in purchasing, and in manufacturing as well as in
  marketing and trading.
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