deterrent noun

ADJ. effective, good, great, powerful, real | the ultimate Defenders of the death penalty clearly regard it as the ultimate deterrent. | nuclear They stressed the need for an independent nuclear deterrent.

VERB + DETERRENT act as, be a punishment that will act as a deterrent to other offenders

DETERRENT + NOUN effect They were arguing about the deterrent effect of nuclear weapons.

PREP. as a ~ The bodies of executed criminals were hung on the city gates as a deterrent. | ~ against a deterrent against cheating | ~ for There is no effective deterrent for these young criminals. | ~ to a deterrent to crime a deterrent to all but the most determined attacker