One synonym for heavy is "weighty".
weighty, hefty, substantial, ponderous; solid, dense, leaden; burdensome
Bulky; weighty; substantial; ponderous; corpulent.
The synonym for collapsed is "fallen" or "crumbled."
Synonym: None (Thermodynamics is a specific field of study with no true synonym) Antonym: Thermodynamic Equilibrium
One synonym for heavy is "weighty".
Synonym : heavy(rainfall) Antonym : opposite of heavy sorry too lazy :/
friable
loaded, heavy, weighted
boner
dreary, tedious, heavy, cumbersome, boring, plodding
weighty, hefty, substantial, ponderous; solid, dense, leaden; burdensome
Drenching Downpour Heavy precipitationPouring Raining Cats and dogs.
A synonym for ponderous is cumbersome or unwieldy.
bottomless, deep, learned, heavy
oversize, big, heavy, bulky, enormous, giant
a heavy,stiff paper used to make boxes and posters