Undissolvable vs. Indissolvable

Undissolvable and Indissolvable Definitions
Undissolvable
Not dissolvable
Indissolvable
Not dissolvable; incapable of being dissolved or separated.
Indissolvable
Not dissolvable; incapable of being dissolved or separated; incapable of separation; perpetually firm and binding; indissoluble; as, an indissolvable bond of union.