/ ˌɪndɪˈsɒljəbl; NAmE -ˈsɑːl-/ adjective
( formal ) ( of a relationship ) that cannot be ended :
an indissoluble friendship
► in·dis·sol·ubly / ˌɪndɪˈsɒljəbli; NAmE -ˈsɑːl-/ adverb :
indissolubly linked
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WORD ORIGIN
late 15th cent.: from Latin indissolubilis , from in- not + dissolubilis (from the verb dissolvere , from dis- apart + solvere loosen or solve).