Dearly \Dear"ly\, adv.

1. In a dear manner; with affection; heartily; earnestly; as, to love one dearly.

2. At a high rate or price; grievously.

He buys his mistress dearly with his throne. --Dryden.

3. Exquisitely. [Obs.]

--Shak.

Source: Webster's Revised Unabridged Dictionary (1913)