impervious

As adjectives the difference between impervious and immutable

is that impervious is unaffected or unable to be affected by while immutable is unable to be changed without exception.

As a noun immutable is

something that cannot be changed.

As adjectives the difference between adamant and impervious

is that adamant is firm; unshakeable; unyielding; determined while impervious is unaffected or unable to be affected by.

As a noun adamant

is an imaginary rock or mineral of impenetrable hardness; a name given to the diamond and other substances of extreme hardness.

As adjectives the difference between unaffected and impervious

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

As a noun unaffected

is someone not affected, as by a disease.

As adjectives the difference between susceptible and impervious

is that susceptible is likely to be affected by something while impervious is unaffected or unable to be affected by.

As a noun susceptible

is a person who is vulnerable to being infected by a certain disease.

Disinterested is a related term of impervious.

As adjectives the difference between disinterested and impervious

is that disinterested is having no stake or interest in the outcome; free of bias, impartial while impervious is unaffected or unable to be affected by.

As adjectives the difference between impervious and impetuous

is that impervious is unaffected or unable to be affected by while impetuous is making arbitrary decisions, especially in an impulsive and forceful manner.

Emotionless is a related term of impervious.

As adjectives the difference between emotionless and impervious

is that emotionless is lacking emotion while impervious is unaffected or unable to be affected by.

Impervious is a related term of phlegmatic.

As adjectives the difference between impervious and phlegmatic

is that impervious is unaffected or unable to be affected by while phlegmatic is not easily excited to action or passion; calm; sluggish.

As a noun phlegmatic is

one who has a phlegmatic disposition.

Cool is a related term of impervious.

As an acronym cool

is (computing) clips object]]-oriented [[language|language .

As an adjective impervious is

unaffected or unable to be affected by.

Undemonstrative is a related term of impervious.

As adjectives the difference between undemonstrative and impervious

is that undemonstrative is not given to showing emotion or feelings; reserved or distant while impervious is unaffected or unable to be affected by.