What does the word flinty mean in this sentence his eyes were suspicious and flinty?

In this sentence, "flinty" describes the eyes as being hard, unyielding, and unsympathetic.

Here's why:

* Flinty is often used to describe something that is like flint, a hard, brittle rock.

* Flint is also known for its ability to produce sparks, implying a potential for quick anger or a sharp, cutting remark.

Therefore, "flinty eyes" suggest someone who is distrustful, unmoved by emotion, and possibly even threatening.