名詞 deterrent:

1. something immaterial that interferes with or delays action or progress
   同義詞：hindrance, hinderance, impediment, balk, baulk, check, handicap

形容詞 deterrent:

1. tending to deter

1. His punishment will be a deterrent to others.
   懲罰他以儆效尤。

de.ter.rent

adj.（形容詞）
Tending to deter:
制止的，威懾的：傾向于制止的：
例句：
deterrent weapons.
威懾性武器

n.（名詞）
Something that deters:
制止物，威懾物：
例句：
a deterrent to theft.
對竊賊的威懾物，嚇唬竊賊的東西

A retaliatory means of discouraging enemy attack:
阻止敵人攻擊的報復性手段：
例句：
a nuclear deterrent.
核威懾