Definition

Instantly. [Poetic] Instant he flew with hospitable haste. Pope.

Other Definitions

This word also has 2 other definitions:

INSTANT (adjective)

1. Pressing; urgent; importunate; earnest. Rejoicing in hope; patient in tribulation; continuing instant in prayer. Rom. xii. 12. I am beginning to be...

INSTANT (noun)

1. A point in duration; a moment; a portion of time too short to be estimated; also, any particular moment. There is scarce an instant between their f...