leech 1 of 2

Definition of leechnext
as in parasite
a person who is supported by or seeks support from another without making an adequate return whenever the gang went out for pizza, the leech in the group always had an excuse for not paying his fair share

Synonyms & Similar Words

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Antonyms & Near Antonyms

leech

2 of 2

verb

Synonym Chooser

How does the noun leech differ from other similar words?

Some common synonyms of leech are parasite, sponge, sycophant, and toady. While all these words mean "a usually obsequious flatterer or self-seeker," leech stresses persistence in clinging to or bleeding another for one's own advantage.

a leech living off his family and friends

When is parasite a more appropriate choice than leech?

The words parasite and leech are synonyms, but do differ in nuance. Specifically, parasite applies to one who clings to a person of wealth, power, or influence or is useless to society.

a jet-setter with an entourage of parasites

When can sponge be used instead of leech?

The synonyms sponge and leech are sometimes interchangeable, but sponge stresses the parasitic laziness, dependence, and opportunism of the cadger.

a shiftless sponge, always looking for a handout

In what contexts can sycophant take the place of leech?

The words sycophant and leech can be used in similar contexts, but sycophant adds to this a strong suggestion of fawning, flattery, or adulation.

a powerful prince surrounded by sycophants

When could toady be used to replace leech?

In some situations, the words toady and leech are roughly equivalent. However, toady emphasizes the servility and snobbery of the self-seeker.

cultivated leaders of society and became their toady

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of leech
Noun
Similar copper mines in Colorado have already demonstrated how sulfuric acid leeches into the water table as a result of this mining method. Chicago Tribune, 22 Apr. 2026 The jungle, in the Truong Son range between Laos and the South China Sea, is home to tigers and leeches. Nicole Young, CBS News, 29 Mar. 2026
Verb
And typically, Wegmann added, those units are occupied by productive, working adults, not layabouts or career criminals leeching off the system, as the old narrative goes. Matthew Adams, Fort Worth Star-Telegram, 9 Mar. 2026 First of all, most batteries contain cobalt, nickel, manganese, and other heavy metals that can be potentially toxic, and keeping them out of landfills ensures that these metals don’t leech out and pollute drinking water or the natural environment. Katherine Gallagher, Treehugger, 20 Jan. 2026 See All Example Sentences for leech
Recent Examples of Synonyms for leech
Noun
  • Zach Raff, an assistant professor of agricultural and resource economics at NC State, previously told the Observer the parasite poses low risk to North Carolina as long as infected animals are quarantined.
    Eva Flowe July 2, Charlotte Observer, 2 July 2026
  • It is caused by eating or drinking food contaminated with either bacteria, viruses, parasites or a harmful toxin.
    Sheah Rarback, Miami Herald, 2 July 2026
Verb
  • Use a clean microfiber cloth or sponge to wipe over the tile surface from top to bottom, focusing on areas where buildup is usually heavy, such as behind the stove.
    Karen Brewer Grossman, Southern Living, 20 June 2026
  • Dip a microfiber cloth or sponge in the solution.
    Kate Van Pelt, The Spruce, 20 June 2026
Verb
  • Scientists tracking humpbacks off the coast of Australia have captured rare footage that shows clutches of the freeloading fish peeling away from their host in what looks like a high-speed game of chicken, just moments before the whale breaches.
    CNN Money, CNN Money, 8 Nov. 2025
  • The specter of freeloading corporations using more space, water, and energy for AI processing has defined the race for the 30th House of Delegates district, well outside DC.
    David Weigel, semafor.com, 13 Oct. 2025
Verb
  • On top of that, Nico is also, quite obviously, just mooching off/clinging to Mindy because he got cut off by his family.
    Jessica M. Goldstein, Vulture, 19 Dec. 2025
  • The Netflix rep says there is no correlation between this change and people mooching off other people's accounts.
    Boone Ashworth, Wired News, 1 Dec. 2025

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Cite this Entry

“Leech.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/leech. Accessed 7 Jul. 2026.

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