part of speech: adjective

inflections: heavier, heaviest

definition 1: having much weight or hard to lift.

  • We tried to lift the heavy box.

antonyms: light

definition 2: of great size or amount.

  • There was a flood after the heavy rain.

synonyms: considerable, large

antonyms: light

definition 3: causing great concern; very serious.

  • We had to face a heavy problem.

synonyms: deep, grave, keen

antonyms: light

definition 4: very sad; weighed down.

  • I went to bed with a heavy heart after my dog died.

synonyms: sad, unhappy

antonyms: cheerful, light