Synonyms for main burden

Synonyms for main

primary (principal, , >>)
key (central, big, grand >>)
core (staple, cardinal, basic >>)
chief (head, senior, superior >>)
master
dominant
foremost
premier
predominant
base
trunk
primal
principal part

See all synonyms for main

Synonyms for burden

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

See all synonyms for burden