Greatly

наречие 1) очень; весьма, значительно, сильно, чрезвычайно Например: not greatly bothered — не сильно обеспокоенный Синоним(ы): very, much 2) возвышенно; благородно Синоним(ы): nobly

Большой англо-русский словарь

Greatly

adverb 1. to a great extent or degree; very much Example: contributed greatly to improved relations Example: not greatly bothered 2. in a great manner; nobly, magnanimously Example: a man may live greatly in the law — O. W. Holmes †1935

Merriam-Webster's Collegiate Dictionary