interferer

interfere

[in-ter-feer]
verb (used without object), interfered, interfering.
1.
to come into opposition, as one thing with another, especially with the effect of hampering action or procedure (often followed by with ): Constant distractions interfere with work.
2.
to take part in the affairs of others; meddle (often followed by with or in ): to interfere in another's life.
3.
(of things) to strike against each other, or one against another, so as to hamper or hinder action; come into physical collision.
4.
to interpose or intervene for a particular purpose.
5.
to strike one foot or leg against another in moving, as a horse.
6.
Sports.
a.
to obstruct the action of an opposing player in a way barred by the rules.
b.
Football. to run interference for a teammate carrying the ball.
7.
Physics. to cause interference.
8.
to clash; come in collision; be in opposition: The claims of two nations may interfere.
9.
Law. to claim earlier invention when several patent requests for the same invention are being filed.
Verb phrases
10.
interfere with, Chiefly British. to molest sexually.

Origin:
1520–30; inter- + -fere < Latin ferīre to strike; modeled on Middle French s'entreferir

interferer, noun
interferingly, adverb
noninterfering, adjective
noninterferingly, adverb


2. pry, intrude, encroach, interlope. 4. intercede.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
interfere (ˌɪntəˈfɪə)
 
vb
1.  (often foll by in) to interpose, esp meddlesomely or unwarrantedly; intervene
2.  (often foll by with) to come between or in opposition; hinder; obstruct
3.  euphemistic (foll by with) to assault sexually
4.  to strike one against the other, as a horse's legs
5.  physics to cause or produce interference
 
[C16: from Old French s'entreferir to collide, from entre-inter- + ferir to strike, from Latin ferīre]
 
inter'ferer
 
n
 
inter'fering
 
adj
 
inter'feringly
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

interfere
1440, "to strike against," from M.Fr. enterferer "to strike each other," from entre- "between" + ferir "to strike," from L. ferire "to knock, strike," related to L. forare "to bore, pierce," and cognate with O.E. borian "to bore" (cf. punch (v.), which has both the sense "to hit" and "to make a hole
in"). Fig. sense of "to meddle with, oppose unrightfully" is from 1632.
Online Etymology Dictionary, © 2010 Douglas Harper
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