FLINT'Y, a.
1. Consisting of flint as a flinty rock.
2. Like flint very hard, not impressible as a flinty heart.
3. Cruel unmerciful inexorable.
4. Full of flint stones, as flinty ground.
Flinty-slate, a mineral of two kinds, the common and the Lydian stone.
The King James Bible has stood its ground for nearly 400 years. However, during that time the English language has changed, and with it the meanings of some words it used. Here are more than 6,500 words whose definitions have changed since 1611.Wikipedia
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