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Synonyms

deter

American  
[dih-tur] / dɪˈtɜr /

verb (used with object)

deterred, deterring
  1. to discourage or restrain from acting or proceeding.

    The large dog deterred trespassers.

  2. to prevent; check; arrest.

    timber treated with creosote to deter rot.

  3. to repel.

    Strongly scented marigolds planted among the melons are supposed to deter beetles.


deter British  
/ dɪˈtɜː /

verb

  1. (tr) to discourage (from acting) or prevent (from occurring), usually by instilling fear, doubt, or anxiety

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • determent noun
  • deterrability noun
  • deterrable adjective
  • deterrer noun
  • undeterrability noun
  • undeterrable adjective
  • undeterrably adverb
  • undeterring adjective

Etymology

Origin of deter

First recorded in 1570–80; from Latin dēterrēre “to discourage, put off, frighten,” equivalent to dē-, prefix and preposition + terrēre “to frighten, scare”; de-

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"We will continue to take resolute action in our enforcement activities to prevent and deter illegal fishing operations by foreign vessels," Japan's Chief Cabinet Secretary Minoru Kihara said on Friday.

From BBC

“We need to be very focused on deterring and defending against Russia,” he says.

From The Wall Street Journal

They hope the devices will deter criminals, or at least catch bad guys in the act.

From The Wall Street Journal

A new AI borrowing frenzy and lingering fears about potential defaults haven’t deterred investors hungry for bonds from U.S. companies, states and cities.

From The Wall Street Journal

Kudos to you on prioritizing retirement savings and not letting the temptations of high salaries and lifestyle spending deter you from thinking about your and your wife’s futures.

From MarketWatch