parasitic

[par-uh-sit-ik]
adjective
1.
of, pertaining to, or characteristic of parasites.
2.
(of diseases) due to parasites.
3.
Phonetics, excrescent ( def 2 ).
Also, parasitical.


Origin:
1620–30; < Latin parasīticus < Greek parasītikós. See parasite, -ic

parasitically, adverb
parasiticalness, noun
antiparasitic, noun, adjective
antiparasitical, adjective
antiparasitically, adverb
nonparasitic, adjective
nonparasitical, adjective
nonparasitically, adverb
pseudoparasitic, adjective
unparasitic, adjective
unparasitical, adjective
unparasitically, adverb
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World English Dictionary
parasite (ˈpærəˌsaɪt)
 
n
1.  an animal or plant that lives in or on another (the host) from which it obtains nourishment. The host does not benefit from the association and is often harmed by it
2.  a person who habitually lives at the expense of others; sponger
3.  (formerly) a sycophant
 
[C16: via Latin from Greek parasitos one who lives at another's expense, from para-1 + sitos grain]
 
parasitic
 
adj
 
para'sitical
 
adj
 
para'sitically
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

parasitic par·a·sit·ic (pār'ə-sĭt'ĭk) or par·a·sit·i·cal (-ĭ-kəl)
adj.

  1. Of, relating to, or characteristic of a parasite.

  2. Caused by a parasite.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Example sentences
From fungi to flies, some parasitic species have figured out how to control
  their host's behavior to get what they need.
Parasitic wasps dive-bomb ants, injecting their eggs into ant bodies.
It's easy to list every vaccine that can prevent a parasitic disease in humans.
They then did the same thing for the number of parasitic diseases found in each
  country.
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