[ par-uh-sit-ik ]
/ ˌpær əˈsɪt ɪk /


of, relating to, or characteristic of parasites.
(of diseases) due to parasites.
Phonetics. excrescent(def 2).

Nearby words

  1. parasinoidal,
  2. parasinoidal sinus,
  3. parasite,
  4. parasite drag,
  5. parasitemia,
  6. parasitic cyst,
  7. parasitic male,
  8. parasitic melanoderma,
  9. parasitic oscillation,
  10. parasiticide

Sometimes par·a·sit·i·cal.

Origin of parasitic

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

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for parasitic

Word Origin and History for parasitic



1620s, from Latin parasiticus, from Greek parasitikos "of or pertaining to a parasite; the trade of a parasite," from parasitos (see parasite). Biological sense is from 1731. Related: Parasitical, 1570s in reference to toadies; from 1640s in the biological sense.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for parasitic


[ păr′ə-sĭtĭk ]


Of, relating to, or characteristic of a parasite.
Caused by a parasite.

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