* Descriptive: The old prospector had a flinty gaze, hardened by years of searching for gold in the unforgiving wilderness.
* Figurative: Her determination was flinty, unyielding in the face of adversity.
* Literary: The wind whipped across the barren landscape, whistling through the flinty crags of the mountainside.
* Informal: He had a flinty sense of humor, quick to crack a joke, even in the most serious situations.
Remember: "Flinty" often conveys a sense of strength, resilience, or even stubbornness.