'Indissoluble' definitions:

Definition of 'indissoluble'

adjective

(of a substance) incapable of being dissolved [syn: insoluble, indissoluble] [ant: soluble]

adjective

Used of decisions and contracts

From: GCIDE

Indissoluble \In*dis"so*lu*ble\, a. [L. indissolubilis: cf. F. indissoluble. See In- not, and Dissoluble, and cf. Indissolvable.] [1913 Webster]
1. Not dissoluble; not capable of being dissolved, melted, or liquefied; insoluble; as, few substances are indissoluble by heat, but many are indissoluble in water. --Boyle. [1913 Webster]
2. Incapable of being rightfully broken or dissolved; perpetually binding or obligatory; firm; stable, as, an indissoluble league or covenant. [1913 Webster]
To the which my duties Are with a most indissoluble tie Forever knit. --Shak. [1913 Webster]