Meanings
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1
adv
To a great degree; very much.
The researchers relied heavily on others' data.
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2
adv
With a lot of force or weight.
They hit their arm heavily against the wall.
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3
adv
In a slow, hard, or tired way.
I breathed heavily after the workout.
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4
adv
In a way that involves too much of something.
He had been drinking heavily for years.
Thesaurus
Etymology
From Middle English hevely, hevyliche, from Old English hefiġlīċe (“heavily; grievously”), equivalent to heavy + -ly.
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