Definitions:

1. in a heavy-footed manner adverb
   • They walked heavily up the three flights to the room.
2. in a labored manner adverb
   • I breathed heavily after the workout.
3. in a manner designed for heavy duty adverb
   • a heavily constructed car
4. indulging excessively adverb
   • They drank heavily at the party.
5. to a considerable degree adverb
   • The researchers relied heavily on others' data.
6. with great force adverb
   • They hit their arm heavily against the wall.

Synonyms:

• far
• hard
• heavy