mutable

As an adverb irrevocable

is irrevocable (not able to be revoked).

As an adjective mutable is

changeable; inclined to mutate.

As adjectives the difference between ephemeral and mutable

is that ephemeral is lasting for a short period of time while mutable is changeable; inclined to mutate.

As a noun ephemeral

is something which lasts for a short period of time.

As adjectives the difference between mutable and undefined

is that mutable is changeable; inclined to mutate while undefined is lacking a definition or value.

As adjectives the difference between mutable and changable

is that mutable is changeable; inclined to mutate while changable is .

As adjectives the difference between mutable and indefinite

is that mutable is changeable; inclined to mutate while indefinite is without limit; forever, or until further notice; not definite.

Crooked is a related term of mutable.

As adjectives the difference between crooked and mutable

is that crooked is not straight; having one or more bends or angles while mutable is changeable; inclined to mutate.

As a verb crooked

is (crook).

As adjectives the difference between immethodical and mutable

is that immethodical is unmethodical while mutable is changeable; inclined to mutate.

Inconsonant is a related term of mutable.

As adjectives the difference between inconsonant and mutable

is that inconsonant is not consonant; disagreeing or clashing while mutable is changeable; inclined to mutate.

Mutable is a related term of immoderate.

As adjectives the difference between mutable and immoderate

is that mutable is changeable; inclined to mutate while immoderate is excessive or lacking, not consistent.

Mutable is a related term of wild.

As an adjective mutable

is changeable; inclined to mutate.

As a proper noun wild is

for a wild person, or for someone living in uncultivated land.