"Adamant" is a word in ENGLISH

adamant ENGLISH
Definition:

A stone imagined by some to be of impenetrable hardness; a
name given to the diamond and other substances of extreme hardness; but
in modern mineralogy it has no technical signification. It is now a
rhetorical or poetical name for the embodiment of impenetrable
hardness.

adamant ENGLISH
Definition:

Lodestone; magnet.

Few words of positivity

It has been more wittily than charitably said that hell is paved with good intentions. They have their place in heaven also.

Robert Southey

WORD SUGGESTIONS
Laugh your heart out.

A grizzled old man was eating in a truck stop when three Hell's Angels' bikers walked in. The first walked up to the old man, pushed his cigarette into the old man's pie and then took a seat at the counter. The second walked up to the old man, spat into the old man's milk and then he too took a seat at the counter. The third walked up to the old man, turned over the old man's plate, and then he took a seat at the counter. Without a word of protest, the old man quietly left the diner. Shortly thereafter, one of the bikers said to the waitress, "Humph, not much of a man, was he?" The waitress replied, "Not much of a truck driver either, he just backed his big-rig over three motorcycles."

iron ENGLISH

Like iron in hardness, strength, impenetrability, power of endurance, insensibility, etc.;

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proof ENGLISH

The quality or state of having been proved or tried; firmness or hardness that resists impression, or does not yield …

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