Definition of "Heavily" :

adverb: to a considerable degree

"He relied heavily on others' data."

adverb: indulging excessively

"He drank heavily."

adverb: in a labored manner

"He breathed heavily."

adverb: slowly as if burdened by much weight

adverb: in a manner designed for heavy duty

"A heavily constructed car."

adverb: in a heavy-footed manner

"He walked heavily up the three flights to his room."

adverb: with great force

"She hit her arm heavily against the wall."