noun

deterrent

deterrent, disincentive, hindrance

The high fine is a deterrent to speeding.

The high fine is a deterrent to speeding.

Nuclear weapons are a powerful deterrent.

Nuclear weapons are a powerful deterrent.

a deterrent ((to sth.)) something that discourages (sth.) The high fine is a deterrent to speeding.

a powerful/effective deterrent used with an adjective Nuclear weapons are a powerful deterrent.

Synonyms: disincentive, discouragement; Antonyms: incentive, encouragement.

From Latin 'deterrere', 'to frighten away'. 'de-' (away from) + 'terrere' (to frighten), which is the root of 'terror'.

A deterrent uses the threat of something terrible to scare you 'away from' (de-) an action.

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