0
strives
0
strove
0
sullen
0
sweaty
0
testing(adjective, difficult, awkward, demanding, strenuous)
0
thick
0
toil
0
toiled
0
travail
0
travailed
0
travailing
0
travails
0
voiceless
0
voices
0
weighed down(verb, expression, phrasal verb)
0
worrisome(difficult, troublesome)
0
worrying(difficult, troublesome)
-1
awkward(adjective, difficult, demanding, grueling, problematical)
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>