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 SDR outlined a shift towards "warfighting readiness" to deter threats and pledged billions in extra spending for extra ammunition, next-generation fast jets, drones, and new attack submarines.

From BBC • Jun. 1, 2026

While Taiwan has its own defence industry, it remains heavily reliant on the United States for weapons to deter a potential attack by China.

From Barron's • Jun. 1, 2026

Dispersal orders are temporary and are generally used by police to deter crime and anti-social behaviour at certain locations.

From BBC • May 29, 2026

At a defense conference in Ottawa, Canadian Prime Minister Mark Carney said Saab’s GlobalEye aircraft would help detect and deter threats across the Arctic.

From The Wall Street Journal • May 27, 2026

History shows that penalties do not deter men when their conscience is aroused, nor will they deter my people or the colleagues with whom I have worked before.

From "Long Walk to Freedom" by Nelson Mandela

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