Definition of "parasite"

parasite

/ˈpæɹəˌsaɪt/

noun
plural parasites
1. (derogatory) A person who lives on other people's efforts or expense and gives little or nothing back.
  Quotations
  A royalist who publicly called for a military intervention to protect the parasite monarchy.
  2021 December 1, monamu98, “Thai and Korean netizens oppose debut of H1-Key's Sitala over father's alleged support of dictatorship”, in sportskeeda.com‎, sportskeeda, retrieved 2021-12-03
  Of all the corrupting effects of wealth there is none worse than this, that it makes the wealthy (and their parasites) think in some way divine, or at least a lovely character of the mind, what is in truth nothing but their power of luxurious living.
  1902, Hilaire Belloc, The Path to Rome
2. (derogatory) A sycophant or hanger-on.
3. (biology) An organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organism sufficiently to cover the cost to that other organism.
  Quotations
  ...and the mistletoe crept round many of the oaks—that pleasant parasite, whose associations belong rather to the hearth and lighted hall than to its native branches.
  1834, L[etitia] E[lizabeth] L[andon], chapter XIX, in Francesca Carrara. […], volume III, London: Richard Bentley, […], (successor to Henry Colburn), page 154
  It is likely that the long evolutionary trajectory of Mycoplasma went from a reductive autotroph to oxidative heterotroph to a cell-wall–defective degenerate parasite. This evolutionary trajectory assumes the simplicity to complexity route of biogenesis, a point of view that is not universally accepted.
  2013 March, Harold J. Morowitz, “The Smallest Cell”, in American Scientist‎, volume 101, number 2, archived from the original on 4 January 2017, page 83
4. (literary, poetic) A climbing plant which is supported by a wall, trellis etc.
  Quotations
  Her golden tresses shade / The bosom's stainless pride, / Curling like tendrils of the parasite / Around a marble column.
  1813, Percy Bysshe Shelley, “Canto I”, in Queen Mab; […], London: […] P. B. Shelley, […], page 3
5. (historical) A retainer or companion of an ancient Celtic warrior, who praised him in song or poetry at gatherings; a bard.
6. (aviation) A component of a composite aircraft which is carried aloft and air-launched by a larger carrier aircraft or mother ship to support the primary mission of the carrier; a parasite aircraft.
  Quotations
  […] parasiting and aerial refueling as range-extension measures. Second, parasiting would be exorbitantly expensive, because each parasite bomber would need its own carrier. Two bombers could be serviced by a single tanker, however, […]
  2019 January 24, Michael E. Brown, Flying Blind: The Politics of the U.S. Strategic Bomber Program, Cornell University Press, page 170
verb
third-person singular simple present parasites, present participle parasiting, simple past and past participle parasited
1. (rare) To parasitize.
  Quotations
  ... parasiting upon her husband, taking everything and giving nothing in return, this woman had brought her husband to a condition of serious ill health because of his grief, anxiety, and despair over her failure.
  1921, Margaret J. Hamilton, Mental Hygiene and the Parasite, page 19
  1961, The Smuts of the Genus Cintractia Parasiting Kobresia Species
  1997, Erik Sterud, Flagellates of the Genus Spironucleus Lavier, 1936 (Diplomonadida: Hexamitidae) Parasiting Farmed and Feral Fish in Norway
  ... parasiting Google, but as is the case with Microsoft's street art advertisements, the relationship is not a stable one. Using a Google map platform to track his work means sharing his location data with the corporation.
  2021 June 8, Macs Smith, Paris and the Parasite: Noise, Health, and Politics in the Media City, MIT Press

Definition of "parasite"

parasite

noun

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verb

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