RichThesaurus
backbreaking
backbreaking
synonyms
arduous
laborious
hard
heavy
toilsome
operose
grueling
punishing
gruelling
strenuous
burdensome
onerous
taxing
demanding
exhausting
tough
exacting
severe
labored
oppressive
troublesome
fatiguing
harsh
grinding
tiring
uphill
weighty
exigent
stiff
mean
trying
rough
crushing
grievous
wearisome
wearing
hairy
rigorous
effortful
irksome
formidable
tiresome
intricate
wicked
merciless
superincumbent
painful
serious
headache
brutal
more synonyms
backbreaking
antonyms
easy
facile
trivial
simple
light
solvable
calm
common
motivating
relieving
gentle
controllable
mild
effortless