1. adamantine - Noun
2. adamantine - Adjective
3. adamantine - Adjective Satellite
Made of adamant, or having the qualities of adamant; incapable of being broken, dissolved, or penetrated; as, adamantine bonds or chains.
Like the diamond in hardness or luster.
Source: Webster's dictionaryTruth is the most unbending and uncompliable, the most necessary, firm, immutable, and adamantine thing in the world. Ralph Cudworth
Some old poet's grand imagination is imposed on us as adamantine everlasting truth, and God's own word! Pythagoras says, truly enough, "A true assertion respecting God, is an assertion of God"; but we may well doubt if there is any example of this in literature. Henry David Thoreau
Every word is an adamantine shell which encloses a great explosive force. Nikos Kazantzakis
Every word is an adamantine shell which encloses a great explosive force. To discover its meaning you must let it burst inside you like a bomb and in this way liberate the soul which it imprisons. Nikos Kazantzakis
Larkin the man is separated from us historically by changes in the self. For his generation, you were what you were and that was that. It made you unswervable and adamantine. My father had this quality. I don't. None of us do. There are too many forces at work, there are too many fronts to cover. Martin Amis
It 'The Ancient Mariner' is marvellous in its mastery over that delightfully fortuitous inconsequence that is the adamantine logic of dreamland. James Russell Lowell