Maybe it was only primitive fear of madness and monsters, but I feared that woman.

The bloodlust had even overcome their primitive fear of fire.

That primitive fear of the dark and much more.

The man went pale; primitive fear shot through him.

She put aside her primitive fear and assembled a cold determination.

Once something flying in the dark passed very near him, and he ducked belatedly with a primitive fear.

Yet he had felt primitive fear as the old woman passed.

Instead, primitive fear took over the instant cold metal brushed his skin.

Even in that moment when the primitive fear of falling would have paralyzed another man, "X" kept his head.

A water emergency brings out our most primitive fears.