Definitions

deter

[dih-tur] / dɪˈtɜr /

VERB

check, inhibit from action

Synonyms

STRONGEST

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

STRONG

caution chill cool damp debar divert forfend obviate warn

WEAK

act like a wet blanket disadvise put a damper on put off rule out shut out stave off talk out of throw cold water on

Antonyms

STRONGEST

advance aid allow assist encourage facilitate forward hearten help incite inspirit permit promote push support

STRONG

heat warm

WEAK

instigate persuade put on to stimulate turn on urge

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.

The eminently sane Mr. Smith understands the need to shorten such timelines to better deter China.

From The Wall Street Journal • Jul. 1, 2026

Analysts expect a “limbo” period of annual reviews and negotiations, creating uncertainty that could deter long-term investment.

From Barron's • Jun. 29, 2026

“A continuous reverse spin movement can deter an approaching animal,” the directive states.

From Los Angeles Times • Jun. 20, 2026

The belief was that a nation could deter a "first strike," in the parlance of nuclear strategists, by making sure that the enemy understood that their strike would never succeed.

From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau

Vocabulary lists containing deter

Things Fall Apart

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

100 SAT Words Beginning with "D"

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Fantastic Beasts and Where to Find Them

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!