Synonyms: Dully, densely, closely, thickly, compactly,excessively, to excess, immoderately, copiously, inordinately, intemperately, too much, very much, overmuch
Antonyms: Easily, quickly, narrowly, moderately, lightly, to a limited extent
1. To a great degree; in large amounts.
2. With a lot of force or effort; with weight.
3. In a way that is mentally oppressive or hard to endure.
1. Snow fell heavily outside.