The Collaborative International Dictionary
Intransmutable
Intransmutable \In`trans*mut"a*ble\, a. Not capable of being transmuted or changed into another substance.
Wiktionary
intransmutable
a. Not capable of being transmuted, or changed into another substance.
Usage examples of "intransmutable".
Mel’s good-natured personality shone through, butter yellow that deepened to an intransmutable golden core.
But here, beneath that canopy dotted with myriads of glittering worlds, intransmutable and sempiternal, the cries of battle and quarrels of men, the wail of widows and the laughter of children appeared futile and remote.