Adamantine

Origin

From Latin adamantinus.

Full definition of adamantine

Adjective

1. Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated; as, adamantine bonds or chains.
• 1667, John Milton, , Book I:Him the Almighty PowerHurld headlong flaming from th' Ethereal SkieWith hideous ruine and combustion downTo bottomless perdition, there to dwellIn Adamantine Chains and penal Fire,Who durst defie th' Omnipotent to Arms.
2. Like the diamond in hardness or luster.

Anagrams

• amantadine
• diamantane