heavily

adverb

1. to a considerable degree"he relied heavily on others' data"
2. in a heavy-footed manner"he walked heavily up the three flights to his room"
3. with great force"she hit her arm heavily against the wall"
4. in a manner designed for heavy duty"a heavily constructed car"
5. slowly as if burdened by much weight"time hung heavy on their hands"
6. in a labored manner"he breathed heavily"
7. indulging excessively"he drank heavily"