de·ter·rent /dɪˈterənt $ -ˈtɜːr-/ ●○○ noun [countableC]1 PERSUADEsomething that makes someone less likely to do something, by making them realize it will be difficult or have bad results 制止物,威懾物,威懾力量The small fines for this type of crime do not act as much of a deterrent. 對於這種罪行,小額罰金起不到多大的威懾作用。
deterrent to/for/againstWindow locks are an effective deterrent against burglars. 窗鎖可以有效地阻止竊賊。
the deterrent effect of prison sentences 監禁的威懾作用
—deterrence noun [uncountableU]