heavy
hea-vy
adjective
Serious, profound, or difficult to deal with or understand.
"It was a heavy discussion about politics."
adjective
Occurring in large amounts or with great force or intensity.
"We had heavy rain all morning."
adjective
Having considerable weight; difficult to lift or move.
"This suitcase is too heavy for me."
Thesaurus
Synonyms: thick, dull, leaden, hard, intemperate, indulgent, cloudy, threatening, sullen, lowering, fat, overweight
Antonyms: light