1. impervious: adjective
definition:
not permitting penetration or passage; impenetrable
incapable of being injured or impaired
incapable of being influenced, persuaded, or affected

2. impervious
pronunciation:
im-pur-vee-uh s

3. impervious synonyms: impermeable impenetrable impregnable waterproof
watertight
water-resistant
repellent

4. impervious
synonyms:
adverb
imperviously
noun
imperviousness

5. impervious
Not all sunscreen is impervious to the sun’s burning rays.

6. impervious
The castle was impervious to any outside attack.

7. imperviousness
Imperviousness to sicknesses begins with a healthy lifestyle.

8. impervious
Knowing how to defend yourself does not make you impervious to attack, but it does improve your chances of escaping unharmed.

9. impervious
Believing himself impervious to danger, he recklessly dove from the cliff.

10. imperviously
The white rug imperviously repelled the wine that had spilled on it.

11. imperviousness
The child’s imperviousness to the cold allowed her to play outside for hours.