unassailable

As adjectives the difference between immutable and unassailable

is that immutable is unable to be changed without exception while unassailable is secure against attack; impregnable.

As a noun immutable

is something that cannot be changed.

As adjectives the difference between irrefutable and unassailable

is that irrefutable is irrefutable (undeniable, unable to be disproved) while unassailable is secure against attack; impregnable.

As adjectives the difference between unaccessible and unassailable

is that unaccessible is inaccessible while unassailable is secure against attack; impregnable.

Unassailable is a related term of protected.

As adjectives the difference between unassailable and protected

is that unassailable is secure against attack; impregnable while protected is defended.

As a verb protected is

(protect).

As adjectives the difference between unassailable and unexceptionable

is that unassailable is secure against attack; impregnable while unexceptionable is beyond reproach; unimpeachable.

As adjectives the difference between unalienable and unassailable

is that unalienable is not alienable while unassailable is secure against attack; impregnable.

As adjectives the difference between indisputable and unassailable

is that indisputable is not disputable; not open to question; obviously true while unassailable is secure against attack; impregnable.

Unassailable is a related term of inherent.

As adjectives the difference between unassailable and inherent

is that unassailable is secure against attack; impregnable while inherent is inherent.

As adjectives the difference between unassailable and indubitable

is that unassailable is secure against attack; impregnable while indubitable is clearly true; providing no possibility of doubt.

As a noun indubitable is

that which is indubitable.

As adjectives the difference between unassailable and undoubtable

is that unassailable is secure against attack; impregnable while undoubtable is incapable of being doubted; indubitable.