impervious

As adjectives the difference between indifferent and impervious

is that indifferent is not caring or concerned; uninterested, apathetic while impervious is unaffected or unable to be affected by.

As an adverb indifferent

is to some extent, in some degree (intermediate between very and not at all); moderately, tolerably, fairly.

Unimpressionable is a related term of impervious.

As adjectives the difference between unimpressionable and impervious

is that unimpressionable is not impressionable while impervious is unaffected or unable to be affected by.

Calm is a related term of impervious.

As adjectives the difference between calm and impervious

is that calm is (of a person) peaceful, quiet, especially free from anger and anxiety while impervious is unaffected or unable to be affected by.

As a noun calm

is (in a person) the state of being calm; peacefulness; absence of worry, anger, fear or other strong negative emotion.

As a verb calm

is to make calm.

As adjectives the difference between waterproof and impervious

is that waterproof is unaffected by water while impervious is unaffected or unable to be affected by.

As a verb waterproof

is to make waterproof or water-resistant.

As a noun waterproof

is a substance or preparation for rendering cloth, leather, etc., impervious to water.

Dour is a related term of impervious.

As adjectives the difference between dour and impervious

is that dour is stern, harsh and forbidding while impervious is unaffected or unable to be affected by.

As adjectives the difference between impervious and flinty

is that impervious is unaffected or unable to be affected by while flinty is resembling or containing flint.

Passionless is a related term of impervious.

As adjectives the difference between passionless and impervious

is that passionless is lacking in passion while impervious is unaffected or unable to be affected by.

Untouched is a related term of impervious.

As adjectives the difference between untouched and impervious

is that untouched is remaining in its original, pristine state, undamaged while impervious is unaffected or unable to be affected by.

Impervious is a related term of sealed.

As adjectives the difference between impervious and sealed

is that impervious is unaffected or unable to be affected by while sealed is closed by a seal.

As a verb sealed is

(seal).

As adjectives the difference between impervious and inaccessible

is that impervious is unaffected or unable to be affected by while inaccessible is not able to be accessed; out of reach; inconvenient.

As a noun inaccessible is

an uncountable regular cardinal number that is a limit cardinal.