85 entries under idiom topic. ×
| debt of gratitude | |
| dire necessity(expression, necessity) | |
| discharge a duty(expression, duty) | |
| do duty(expression, duty) | |
| do one's duty(expression, duty) | |
| feeling of obligation(expression, gratitude) | |
| fulfill a duty(expression, duty) | |
| full court press(noun, expression, trouble, force) | |
| full head of steam(noun, expression, power, strength) | |
| give security(expression, promise) | |
| hard necessity(expression, necessity) | |
| have on the brain(noun, expression, force, pressure) | |
| homework assignment | |
| imperative duty(expression, duty) | |
| imperious necessity(expression, necessity) | |
| incur a responsibility(expression, duty) | |
| inexorable necessity(expression, necessity) | |
| involuntary servitude | |
| iron necessity(expression, necessity) | |
| keep one's promise(expression, observance) |
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| APA | Smart Define. (2015). obligation thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/obligation/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "obligation thesaurus" https://smartdefine.org/obligation/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, obligation thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/obligation/thesaurus/synonyms>. |
| MLA | Smart Define. "obligation thesaurus" 22 December 2015. Web. 28 September 2026. <https://smartdefine.org/obligation/thesaurus/synonyms> |