"Inconvertible" is a word in ENGLISH

inconvertible ENGLISH
Definition:

Not convertible; not capable of being transmuted,
changed into, or exchanged for, something else; as, one metal is
inconvertible into another; bank notes are sometimes inconvertible into
specie.

Few words of positivity

The darkest clouds precipitate the most rain.

Matshona Dhliwayo

WORD SUGGESTIONS
Laugh your heart out.

An old lady saw a little boy with a fishing-rod over his shoulder and a jar of tadpoles in his hand walking through the park one Sunday. "Little boy," she called, "don't you know you shouldn't go fishing on a Sunday?" "I'm not going fishing, ma'am," he called back, "I'm going home."

inconverted ENGLISH

Not turned or changed about.

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The quality or state of being inconvertible; not capable of being exchanged for, or converted into, something else; as, the …

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inconvertibly ENGLISH

In an inconvertible manner.

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