91 entries under adjective topic. ×

1
mean(hard, rough, difficult, cruel)
1
merciless(tough, severe, rough, difficult)
1
murder(hard, tough, rough, difficult)
1
scabrous(tough, rough, difficult, heavy)
1
slavish(tough, rough, difficult, heavy)
1
strong
1
terrible(tough, rough, difficult, heavy)
1
unsparing(tough, rough, difficult, heavy)
1
uphill battle(expression, tough, rough, difficult)
1
wearing(hard, tough, rough, difficult)
1
wearying(tough, rough, difficult, heavy)
0
bad
0
challenging(difficult, awkward, demanding, strenuous)
0
deep
0
dense
0
expectant
0
fleshy
0
gravid
0
intense
0
lengthy
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APASmart Define. (2015). backbreaking thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/backbreaking/thesaurus/synonyms
ChicagoSmart Define. 2015. "backbreaking thesaurus" https://smartdefine.org/backbreaking/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, backbreaking thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/backbreaking/thesaurus/synonyms>.
MLASmart Define. "backbreaking thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/backbreaking/thesaurus/synonyms>