deter
Americanverb (used with object)
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to discourage or restrain from acting or proceeding.
The large dog deterred trespassers.
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to prevent; check; arrest.
timber treated with creosote to deter rot.
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to repel.
Strongly scented marigolds planted among the melons are supposed to deter beetles.
verb
Other Word Forms
Derived Forms
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determentnoun
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deterrabilitynoun
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deterrernoun
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undeterrabilitynoun
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deterrableadjective
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undeterrableadjective
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undeterringadjective
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undeterrablyadverb
Inflected Forms
Participles
Conjugated Forms
Present
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detersimple
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deterssimple
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have deterredperfect
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has deterredperfect
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am deterringprogressive
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are deterringprogressive
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is deterringprogressive
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have been deterringperfect progressive
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has been deterringperfect progressive
Past
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deterredsimple
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had deterredperfect
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was deterringprogressive
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were deterringprogressive
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had been deterringperfect progressive
Future
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”; see de-
Explanation
Deter means to discourage, or literally “to frighten away.” Halloween decorations that are too scary might deter trick-or-treaters, and the risk of being expelled deters kids from cheating in school. Deter comes from the Latin de meaning "away" and terrere meaning "frighten." Something that deters isn’t always scary, though: citronella plants deter mosquitoes, and fines deter people from littering. Teddy Roosevelt's foreign policy dictum "speak softly and carry a big stick" was meant to deter other countries from attacking the United States.
Vocabulary lists containing deter
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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.
Entry Fee to Deter Tourists: Venice’s first day of charging a fee to enter the historic center went mostly smoothly, but there were some protests.
From New York Times • May 12, 2024
Rob Deter of Iron Mountain Logging in Cle Elum gets up by at least 3:30 a.m. to start loading his truck every day, since work must be completed by 1 p.m. to reduce fire danger.
From Seattle Times • Aug. 8, 2021
The provision would mirror parts of the duo’s stand-alone Deter Act, and it also would build on a proposal tacked on to a version of the reauthorization act the House passed last month.
From Washington Post • Aug. 2, 2019
John Michels, one of the original engineers, says the documentary was filmed by Bruce Deter, who also worked on the project as a concrete plant inspector.
From Washington Times • Jun. 21, 2016
Deter, de-tėr′, v.t. to frighten from: to hinder or prevent:—pr.p. deter′ring; pa.p. deterred′.—n.
From Chambers's Twentieth Century Dictionary (part 1 of 4: A-D) by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
