say it: HEV-uh-lee
heavily is an adverb meaning "to a considerable degree". It carries 7 recorded senses.
in a heavy-footed manner
“he walked heavily up the three flights to his room”
with great force
“she hit her arm heavily against the wall”
in a manner designed for heavy duty
“a heavily constructed car”
“heavily armed”
in a labored manner
“he breathed heavily”
Definitions, synonyms and semantic relations for heavily come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.