The Collaborative International Dictionary
Flinty \Flint"y\, a. [Compar. Flintier; superl. Flintiest.] Consisting of, composed of, abounding in, or resembling, flint; as, a flinty rock; flinty ground; a flinty heart.
Flinty rock, or Flinty state, a siliceous slate; -- basanite is here included. See Basanite.
Wiktionary
a. (en-superlativeflinty)
WordNet
adj. showing unfeeling resistance to tender feelings; "the child's misery would move even the most obdurate heart" [syn: obdurate, stony]
having austere inflexibility; "a flinty manner"; "granitic morality"; "his unyielding mouth and glassy eyes"- Marchette Chute [syn: granitic, unyielding]
See flinty
Usage examples of "flintiest".
The refugee never learned to speak the language of her new country, but in her broken Norwegian she beat down the prices of Berlevaag's flintiest tradesmen.
Arian backed away from him, clapping her hands to her cheeks with an expression of dismay that could have softened even the flintiest heart.
Waiving humanity, national honor, the claims of gratitude, the precious satisfaction arising from deeds of charity and justice to the weak and defenceless, -- the appeal for impartial suffrage addresses itself with great pertinency to the darkest, coldest, and flintiest side of the human heart, and would wring righteousness from the unfeeling calculations of human selfishness.
What he still didn’t accept was the way she lived it, ‘rearing the flintiest scrapings off the streets of Dublin with the help of three madwomen’.