Inspired frenzy, as of one possessed by a god or demon; esp. poetic ‘rage’. Now rare.

Poetic, prophetic, or musical enthusiasm or inspiration. Obsolete.

The inspired frenzy of poets and prophets; in weaker sense, a ‘glow’, excited mood.

figurative. Alienation (of mind), ecstasy.

figurative. Something that incites, stings, or goads a person into activity; a vehement impulse, passion, or frenzy; = oestrus, n. 2. Now rare.

figurative. Something that incites a person to passionate, esp. creative, activity; = oestrum, n. 2.

Inspiration, irresistible impulse; = oestrus, n. 2.