Having great weight; difficult to lift or move. The box was too heavy for her to carry alone.
Of great density; thick or substantial. The heavy fog made it difficult to see the road ahead.
Intense in degree or amount. The heavy rain caused flooding in the streets.
Serious or somber in mood or tone. The movie had a heavy atmosphere that left the audience in deep thought.
Requiring a lot of effort or exertion. The heavy workload left him exhausted by the end of the day.
Having a large amount of something, especially something undesirable. The air was heavy with smoke from the nearby fire.