Heavy

(of a physical object) Having great weight.
(of a topic) Serious, somber.
Not easy to bear; burdensome; oppressive.
(Britain, slang, dated) Good.
(dated, late 1960s, 1970s, US) Profound.
(of a rate of flow) High, great.
(slang) Armed.
(music) Louder, more distorted.
(of weather) Hot and humid.
(of a person) Doing the specified activity more intensely than most other people.
(of food) High in fat or protein; difficult to digest.
Of great force, power, or intensity; deep or intense.
Laden to a great extent.
Laden with that which is weighty; encumbered; burdened; bowed down, either with an actual burden, or with grief, pain, disappointment, etc.
Slow; sluggish; inactive; or lifeless, dull, inanimate, stupid.
Impeding motion; cloggy; clayey
Not raised or leavened.
(of wines or spirits) Having much body or strength.
(obsolete) With child; pregnant.
(physics) Containing one or more isotopes that are heavier than the normal one.
(petroleum) Having high viscosity.
Having the heaves