prevent

Definition of preventnext

Synonym Chooser

How does the verb prevent differ from other similar words?

The words anticipate and forestall are common synonyms of prevent. While all three words mean "to deal with beforehand," prevent implies taking advance measures against something possible or probable.

measures taken to prevent leaks

When can anticipate be used instead of prevent?

The synonyms anticipate and prevent are sometimes interchangeable, but anticipate may imply merely getting ahead of another by being a precursor or forerunner or it may imply checking another's intention by acting first.

anticipated the question by making a statement

When is forestall a more appropriate choice than prevent?

The words forestall and prevent can be used in similar contexts, but forestall implies a getting ahead so as to stop or interrupt something in its course.

hoped to forestall the sale

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 prevent Planting a seed deeper than recommended can delay or even prevent germination. Megan Hughes, Better Homes & Gardens, 28 Jan. 2026 The formula is lightweight and non-greasy, with a soft, powdery finish that helps prevent irritation without feeling heavy. Symiah Dorsey, Southern Living, 28 Jan. 2026 Officials in India are enacting precautions to prevent further spread of the virus, with quarantine and surveillance measures in place. Tiffany Acosta, AZCentral.com, 28 Jan. 2026 Some parents think that their role is to prevent every stumble—and who can blame them? Janelle Jones, Parents, 28 Jan. 2026 See All Example Sentences for prevent
Recent Examples of Synonyms for prevent
Verb
  • Trump also endorsed a Senate deal on government funding that would help avert a shutdown of federal services, according to Reuters.
    Yeo Boon Ping, CNBC, 30 Jan. 2026
  • Gulf states are ramping up diplomatic efforts to avert a US strike on Iran that could spill across the region.
    Mohammed Sergie, semafor.com, 30 Jan. 2026
Verb
  • Duke University has sued QB Darian Mensah over his decision to enter the transfer portal, arguing that an NIL contract the school signed with Mensah—who transferred to Duke last year—ought to effectively preclude him from playing college football elsewhere.
    Jacob Feldman, Sportico.com, 22 Jan. 2026
  • Be warned that waiting until after a letter of intent (LOI) is signed often precludes tax mitigation strategies that require long-term structuring.
    John Hall, Forbes.com, 18 Jan. 2026
Verb
  • Start with the bottom branches to avoid adding more weight to lower limbs.
    Alexandra Jones, The Spruce, 31 Jan. 2026
  • Reconciliation, by contrast, allowed Republicans to pass fiscal and revenue-related farm provisions with a simple majority, bypassing the filibuster and avoiding a stalemate that could have stretched on for years.
    Stephen Martin, Oklahoma Watch, 31 Jan. 2026

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Cite this Entry

“Prevent.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/prevent. Accessed 2 Feb. 2026.

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