The meaning of HEAVY is having great weight; also : characterized by mass or weight. How to use heavy in a sentence. Synonym Discussion of Heavy.

HEAVY definition: of great weight; hard to lift or carry. See examples of heavy used in a sentence.

(General Physics) (of an element or compound) being or containing an isotope with greater atomic weight than that of the naturally occurring element: heavy hydrogen; heavy water.

Heavy means great in amount, degree, or intensity. Heavy fighting has been going on. The State fails to recognize the heavy responsibility that parents take on. He worried about her heavy drinking.

heavy adjective (SOLID) thick, strong, solid, or strongly made: a heavy winter coat a heavy meal (= a large amount of solid food)

5 days ago · Can you help me carry this? It's really heavy. Use the scales to measure how heavy it is.

Heavy, momentous, weighty refer to anything having a considerable amount of figurative weight. Heavy suggests the carrying of a figurative burden: words heavy with menace.