indissoluble

indissoluble /ˌɪndɪˈsɑːljəbəl/ adjective
indissoluble
/ˌɪndɪˈsɑːljəbəl/
adjective
Britannica Dictionary definition of INDISSOLUBLE
formal
: impossible to destroy, break up, or get rid of

— indissolubility

/ˌɪndɪˌsɑːljəˈbɪləti/ noun [noncount]

— indissolubly

/ˌɪndɪˈsɑːljəbli/ adverb