Pronunciation: /ˌædəˈmæntaɪn/
noun a legendary rock or mineral that is extremely hard or unbreakable
A1 Adamantine is a type of material known for its extreme hardness.
A2 The knight's armor was made of adamantine, making him nearly invincible in battle.
B1 The ancient civilization used adamantine in their construction, creating structures that have stood the test of time.
B2 The scientist discovered a new type of adamantine that could revolutionize the industry.
C1 The jeweler crafted a stunning necklace using adamantine as the main gemstone.
C2 The fortress was protected by walls made of adamantine, making it impervious to any attack.
adjective unyielding or firm in attitude or opinion
A1 The adamantine rock was impossible to break with a hammer.
A2 The princess wore an adamantine tiara that sparkled in the sunlight.
B1 The detective had an adamantine determination to solve the case.
B2 The CEO's adamantine leadership style inspired loyalty among the employees.
C1 The scientist's adamantine commitment to research led to groundbreaking discoveries.
C2 The lawyer's arguments were so adamantine that they convinced the jury without a doubt.
formal The scientist discovered a new adamantine material with unprecedented hardness.
informal That adamantine phone case is really tough and durable.
slang I need to get my hands on some of that adamantine armor for the game.
figurative Her adamantine willpower allowed her to overcome any obstacle in her path.
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