2
sonorous
2
sound
2
terrible(adjective, tough, rough, difficult, heavy)
2
thick
2
titanic(tough, severe, painful, problematic, trying)
2
wasted(adjective, weary)
2
weak(adjective, weary)
1
abstruse
1
backbreaker(tough, severe, painful, problematic, trying)
1
brutal
1
cloggy
1
consequential(hard, severe, offensive, distressing, upsetting)
1
continue
1
critical
1
crucial(tough, severe, painful, problematic, trying)
1
crushing
1
deep
1
delicate
1
dismaying(hard, great, tough, severe, difficult)
1
disquieting(adjective, hard, severe, offensive, distressing)
11 years ago|13k views|share |citing 
APASmart Define. (2015). toilsome thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/toilsome/thesaurus/synonyms
ChicagoSmart Define. 2015. "toilsome thesaurus" https://smartdefine.org/toilsome/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, toilsome thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/toilsome/thesaurus/synonyms>.
MLASmart Define. "toilsome thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/toilsome/thesaurus/synonyms>