0
led
0
lengthy
0
lumbering
0
marmoreal
0
metaphorically hard(expression, idiom)
0
moiling
0
not easy(expression, idiom)
0
overweight
0
overwhelming
0
painstaking
0
pick-and-shovel
0
problematical(adjective, difficult, awkward, demanding, grueling)
0
protracted
0
repressive
0
sharply inclined(expression, idiom)
0
slime
0
sonorous
0
stable
0
strived
0
striven
11 years ago|2.5k views|share |citing 
APASmart Define. (2015). backbreaking thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/backbreaking/thesaurus/synonyms
ChicagoSmart Define. 2015. "backbreaking thesaurus" https://smartdefine.org/backbreaking/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, backbreaking thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/backbreaking/thesaurus/synonyms>.
MLASmart Define. "backbreaking thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/backbreaking/thesaurus/synonyms>