Synonyms|393Antonyms|104|Broader|10Narrower|7Related|1.1k
2
worrying(adjective, hard, severe, difficult, offensive)
1
afflictive
1
aggravating(hard, severe, offensive, distressing, irritating)
1
ambitious(hard, tough, severe, difficult, painful)
1
arduously
1
austere(adjective, difficult)
1
awful
1
backbreaker(hard, tough, severe, difficult, painful)
1
besetting
1
bit much(expression, dull, tedious, irritating, exhausting)
1
bitter
1
boresome(adjective, dull, boring, tired, tedious)
1
brutal
1
burden
1
burdensomely
1
creepy(hard, severe, offensive, distressing, upsetting)
1
crucial(tough, severe, painful, problematic, trying)
1
deep
1
dense
1
depressing(adjective, hard, severe, offensive, cruel)
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APASmart Define. (2015). onerous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/onerous/thesaurus/synonyms
ChicagoSmart Define. 2015. "onerous thesaurus" https://smartdefine.org/onerous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, onerous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/onerous/thesaurus/synonyms>.
MLASmart Define. "onerous thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/onerous/thesaurus/synonyms>