Synonyms|393Antonyms|104|Broader|10Narrower|7Related|1.1k

65 entries under problematic topic. ×

5
grueling(adjective, hard, tough, difficult, heavy)
3
finicky(adjective, tough, difficult, harsh, rigid)
3
fussy(adjective, hard, tough, difficult, harsh)
3
irritating(adjective, dull, tough, severe, boring)
3
labored(adjective, hard, great, tough, rough)
2
Herculean(adjective, tough, severe, difficult, awkward)
2
challenging(adjective, hard, great, tough, severe)
2
grim(tough, trying)
2
stiff(adjective, tough, severe, difficult, painful)
2
titanic(tough, severe, painful, trying)
1
ambitious(hard, tough, severe, difficult, painful)
1
backbreaker(hard, tough, severe, difficult, painful)
1
crucial(tough, severe, painful, trying)
1
difficile(adjective, tough, severe, rough, difficult)
1
easier said than done(expression, tough, severe, painful)
1
gargantuan(tough, severe, painful, trying)
1
hard-won(tough, severe, painful, trying)
1
immense(tough, severe, painful, trying)
1
intricate(adjective, tough, severe, difficult, awkward)
1
no picnic(hard, tough, severe, difficult, painful)
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APASmart Define. (2015). onerous thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/onerous/thesaurus/synonyms
ChicagoSmart Define. 2015. "onerous thesaurus" https://smartdefine.org/onerous/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, onerous thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/onerous/thesaurus/synonyms>.
MLASmart Define. "onerous thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/onerous/thesaurus/synonyms>