heavy(adjective)

having great weight; difficult to lift or carry

a heavy parcel.

heavy(adjective)

having a particular weight

I wonder how heavy our little baby is.

heavy(adjective)

of very great amount, force etc

heavy rain; a heavy blow; The ship capsized in the heavy seas; heavy taxes.

heavy(adjective)

doing something to a great extent

He's a heavy smoker/drinker.

heavy(adjective)

dark and dull; looking or feeling stormy

a heavy sky/atmosphere.

heavy(adjective)

difficult to read, do, understand etc

Books on philosophy are too heavy for me.

heavy(adjective)

(of food) hard to digest

rather heavy pastry.

heavy(adjective)

noisy and clumsy

heavy footsteps.