HIGHLY, adverb hi'ly. With elevation in place. 1. In a great degree. We are highly favored. Exercise is highly requisite to health. 2. Proudly; arrogantly; ambitiously. 3. With elevation of mind or opinion; with great estimation; as, to think highly of one's performances.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI