-proof
combining form in adjective
secure against (damage by); (make) impervious to
⇒
waterproof
⇒
mothproof
⇒
childproof
Origin
from proof (adj)-proof
1
a combining form meaning “resistant, impervious to” that specified by the initial element:
burglarproof; childproof; waterproof.
Related Words
- airproof
- bombproof
- childproof
- crashproof
- crushproof
- dampproof
-proofa suffix meaning 'insulated from', 'impervious to', 'not affected by', etc., as in waterproof.
☞ proof
-proof
Suffix
- Used to form adjectives denoting an impervious or impenetrable quality.
Usage notes
Derived terms
English words suffixed with -proof
See also
后缀：-proof [形容词后缀]
表示防...的，不透...的
fireproof 防火的
waterproof 防水的
rainproof 防雨的
coldproof 抗寒的
smokeproof 防烟的
airproof 不透气的
lightproof 不透光的
soundproof 隔音的
bombproof 防炸弹的
gasproof 防毒气的