0
querulous
0
refractory(tough, problematic, trying)
0
rigorous
0
rough
0
rude(tough, problematic, trying)
0
rusk(noun, iron, pretzel)
0
saltine(noun, iron, pretzel)
0
scramble
0
scuffle
0
stern
0
strain
0
strict
0
stringent
0
strong
0
struggle
0
tax
0
taxing
0
testing(tough, problematic, trying)
0
tiresome(tough, problematic, trying)
0
tiring(tough, problematic, trying)
11 years ago|795 views|share |citing 
APASmart Define. (2015). backbreaker thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/backbreaker/thesaurus/synonyms
ChicagoSmart Define. 2015. "backbreaker thesaurus" https://smartdefine.org/backbreaker/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, backbreaker thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/backbreaker/thesaurus/synonyms>.
MLASmart Define. "backbreaker thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/backbreaker/thesaurus/synonyms>