intransmutable

Adjective

Meaning

Not capable of being transmuted or changed into another substance.

Source: Webster's dictionary

Synonyms

noble constant permanent lasting persistent inert irreversible immutable invariable irretrievable irreducible irrevocable unalterable indefeasible incommutable
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Close letter words and terms

intransmissibility intransmissible intransmutability intransparency intransparent intranssient