Definitions

1. noun

In Greek mythology, one of the two moons of Mars, and in general, a secondary or inferior companion.

“The astronomer studied the deimos of Mars, fascinated by its unusual orbit.”

2. noun

A feeling of dread or apprehension, often accompanied by a sense of impending doom.

“The news of the impending storm filled her with a sense of deimos, and she quickly prepared for the worst.”