heavier
Definitions
Having greater weight than something else.
Greater in degree, intensity, or amount than usual.
Examples
The suitcase felt much heavier after I packed all my books inside.
Lead is significantly heavier than aluminum, even when the volumes are the same.
The traffic was much heavier than usual during the morning commute.
Synonyms
weightier bulkier heftier more substantial more burdensome more massive more ponderous
Antonyms
lighter slighter thinner more delicate more airy more graceful more trivial