Adjective: indissoluble ,in-di'sól-yu-bul
- (of a substance) incapable of being dissolved
"The indissoluble bond between the elements remained intact";
- insoluble, indissolvable [archaic]
- Impossible to break or dissolve; permanent and binding
"Their marriage vows were considered an indissoluble contract";
- indissolvable [archaic]
See also: lasting, non-water-soluble, permanent, water-insoluble
Antonym: soluble