Webster's Revised Unabridged Dictionary · 1913

Indissolvable

Indissolvable , adjective

[Prefix in- not + dissolvable. Compare Indissoluble.]

Not dissolvable; incapable of being dissolved or separated; incapable of separation; perpetually firm and binding; indissoluble; as, an indissolvable bond of union. — Bp. Warburton