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See more synonyms for deter on Thesaurus.com
verb (used with object), de·terred, de·ter·ring.
  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.
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Origin of deter

1570–80; < Latin dēterrēre to prevent, hinder, equivalent to dē- de- + terrēre to frighten
Related formsde·ter·ment, nounde·ter·ra·ble, adjectivede·ter·ra·bil·i·ty, nounde·ter·rer, nounun·de·ter·ra·bil·i·ty, nounun·de·ter·ra·ble, adjectiveun·de·ter·ra·bly, adverbun·de·terred, adjectiveun·de·ter·ring, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for deter

hinder, prevent, discourage, avert, prohibit, intimidate, frighten, preclude, stop, daunt, impede, forestall, dissuade, restrain, obstruct, scare, block, dampen, debar, cool

Examples from the Web for deter

Contemporary Examples of deter

Historical Examples of deter

British Dictionary definitions for deter


verb -ters, -terring or -terred
  1. (tr) to discourage (from acting) or prevent (from occurring), usually by instilling fear, doubt, or anxiety
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Derived Formsdeterment, noun

Word Origin for deter

C16: from Latin dēterrēre, from de- + terrēre to frighten
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

Word Origin and History for deter


1570s, from Latin deterrere "to frighten from, discourage from," from de- "away" (see de-) + terrere "frighten" (see terrible). Deterrent is from 1829.

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Online Etymology Dictionary, © 2010 Douglas Harper