Staring, trembling, or crouching with fear, etc.: see the verb.

That quivers; trembling, tremulous.

Trembling with cold, fear, etc.

That shudders; trembling with cold, fear, or abhorrence; quivering, vibrating.

Shaken with fear, trembling.

Trembling; agitated; fearful.

Shuddering; feeling or expressing horror.

Shuddering; expressive of horror.

flitting about, fluttering; trembling; †shifting, unstable, fleeting.

Of, pertaining to, or characterized by trepidation or tremor.

Trepidating, trembling with fear or agitation.

full of tremor; tremulous.