From Middle English hevy, heviȝ, from Old English hefiġ, hefeġ, hæfiġ (“heavy; important, grave, severe, serious; oppressive, grievous; slow, dull”), from Proto-Germanic *habīgaz (“heavy, hefty, weighty”), from Proto-Indo-European *keh₂p- (“to take, grasp, hold”), equivalent to heave + -y. Cognate with Scots hevy, havy, heavy (“heavy”), Dutch hevig (“violent, severe, intense, acute”), Middle Low German hēvich (“violent, fierce, intense”), German hebig (cf. heftig (“fierce, severe, intense, violent, heavy”)), Icelandic höfugur (“heavy, weighty, important”), Latin capāx (“large, wide, roomy, spacious, capacious, capable, apt”).
- (of a physical object) Having great weight.
- (of a topic) Serious, somber.
- (UK, slang) good.
- This film is heavy.
- (dated, late 1960s, 1970s, US) Profound.
- The Moody Blues are, like, heavy.
- (of a rate of flow) High, great.
- (slang) armed.
- Come heavy, or not at all.
- (Music terminology) louder, more distorted
- Metal is heavier than swing.
- (of weather) hot and humid
- (of a person) doing the specified activity more intensely than most other people.
- He was a heavy sleeper, heavy eater and a heavy smoker - certainly not an ideal husband.
- (of food) high in fat or protein; difficult to digest.
- Cheese stuffed sausage is too heavy to eat before exercising.
- Of great force, power, or intensity; deep or intense;
- It was a heavy storm
- A heavy slumber in bed
- A heavy punch
- laden to a great extent.
- His eyes were heavy with sleep
- She was heavy with child
- This word needs a definition. Please help out and add a definition, then remove the text
- heavy drinking
Derived terms 
heavy (not comparable)
- A villain or bad guy; the one responsible for evil or aggressive acts.
- With his wrinkled, uneven face, the actor always seemed to play the heavy in films.
- (slang) A doorman, bouncer or bodyguard.
- A fight started outside the bar but the heavies came out and stopped it.
- (aviation) A large multi-engined aircraft.
- The term heavy normally follows the call-sign when used by air traffic controllers.
- (often with "up") To make heavier.
- To sadden.
- (Australia, New Zealand, informal) To use power and/or wealth to exert influence on, e.g., governments or corporations; to pressure.
- The union was well known for the methods it used to heavy many businesses.
- 1985, Australian House of Representatives, House of Representatives Weekly Hansard, Issue 11, Part 1, page 1570,
- […] the Prime Minister sought to evade the simple fact that he heavied Mr Reid to get rid of Dr Armstrong.
- 2001, Finola Moorhead, Darkness More Visible, Spinifex Press, Australia, page 557,
- But he is on the wrong horse, heavying me. My phone′s tapped. Well, he won′t find anything.
- 2005, David Clune, Ken Turner (editors), The Premiers of New South Wales, 1856-2005, Volume 3: 1901-2005, page 421,
- But the next two days of the Conference also produced some very visible lobbying for the succession and apparent heavying of contenders like Brereton, Anderson and Mulock - much of it caught on television.