onerous

Meaning

Imposing or constituting a physical, mental, or figurative load which can be borne only with effort; burdensome.

Synonyms

burdensome

heavy

weighty

bothersome

stodgy

arduous

troublesome

tiring

hard

difficult

exacting

taxing

oppressive

painful

cumbersome

ponderous

leaden

backbreaking

lumbering

lumpish

massive

miserable

niggling

painstaking

plodding

pregnant

saturnine

serious

severe

sorrowful

straining

strenuous

tiresome

toiling

toilsome

tough

uphill

vexatious

vexing

waterlogged

weighted

burdenous

beefy

bitter

costly

cumbrous

demanding

distressing

drudging

exhausting

grave

🪦

gruelling

heavy-duty

hefty

labored

laboring

laboured

labouring

logy

Pronounced as (IPA)

/ˈɒnəɹəs/

Etymology

From Middle English onerous, from Middle French onereux, from Old French onereus, from Latin onerosus (“burdensome”), from onus (“load”).