Emily Dickinson Lexicon

FLINT'Y, a.

1. Consisting of flint; as, flinty rock.
2. Like flint; very hard; not impressible; as, a flinty heart.
3. Cruel; unmerciful; inexorable. Shak.
4. Full of flint stones; as, flinty ground. Bacon. Flinty-slate, a mineral of two kinds, the common and the Lydian stone. Ure.