Synonyms for heavy burden

Synonyms for heavy

hard (difficult, trying, uphill >>)
severe (serious, harsh, significant >>)
strong
large (big, high, major >>)
tough
massive (great, terrible, grim >>)
intense
dense
deep
powerful
weighty (hefty, ponderous, stodgy >>)
grave
thick
abundant
arduous (strenuous, weary, laborious >>)
bitter
fierce
onerous
oppressive
backbreaking

See all synonyms for heavy

Synonyms for burden

load (cargo, freight, laden >>)
onus (responsibility, duty, charge >>)
weight
burthen (hardship, brunt, difficulty >>)
encumber
weigh down

See all synonyms for burden