- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
| gloomy(hard, severe, offensive, cruel, distressing) | |
| hairy(adjective, hard, tough, severe, rough) | |
| hampering | |
| hard-earned | |
| hard-fought | |
| hard-won(tough, severe, painful, problematic, trying) | |
| hardly | |
| headache(adjective, difficult, heavy, cruel, arduous) | |
| heartbreaking | |
| heavy-handed | |
| ho-hum(adjective, dull, boring, tired, tedious) | |
| humdrum(adjective, dull, boring, tedious, irritating) | |
| immense(tough, severe, painful, problematic, trying) | |
| impedimental | |
| impeditive | |
| incumbent | |
| insistent | |
| intricate(adjective, tough, severe, difficult, awkward) | |
| ironhanded(correct, proper, cruel, rigid, domineering) | |
| jading(adjective, dull, boring, tired, tedious) |
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| APA | Smart Define. (2015). onerous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/onerous/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "onerous thesaurus" https://smartdefine.org/onerous/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, onerous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/onerous/thesaurus/synonyms>. |
| MLA | Smart Define. "onerous thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/onerous/thesaurus/synonyms> |