- Definitions|1
- Thesaurus|572
- Abbreviations|0
147 entries under noun topic. ×
| must(verb, work, charge, understanding) | |
| naught(adjective, nothingness, zero, nonentity) | |
| need(verb, work, charge, understanding) | |
| nought(adjective, nothingness, zero, nonentity) | |
| duty(understanding, right, concern, use) | |
| obligation(work, charge, right, concern) | |
| onus(work, charge, understanding, right) | |
| zero(adjective, nothingness, nonentity, nothing) | |
| charge(work, understanding, right, use) | |
| nothing | |
| aught | |
| burden(work, charge, understanding, right) | |
| business(work, charge, understanding, right) | |
| commitment(work, charge, understanding, right) | |
| allegiance(burden, responsibility, liability, obligation) | |
| deference(burden, responsibility, liability, obligation) | |
| demand(right, use, want, essential) | |
| loyalty(burden, responsibility, liability, obligation) | |
| mission(business, work, charge, burden) | |
| needs |
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| APA | Smart Define. (2015). ought thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ought/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "ought thesaurus" https://smartdefine.org/ought/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, ought thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ought/thesaurus/synonyms>. |
| MLA | Smart Define. "ought thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/ought/thesaurus/synonyms> |