85 entries under idiom topic. ×

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keep one's word(expression, observance)
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line of business(noun, expression, activity, thing)
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make good(expression, observance)
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minding the store(noun, expression, work, charge)
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never forget(expression, gratitude)
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observe a duty(expression, duty)
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observe an obligation(expression, duty)
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out of pocket(expression, outlay, expenditure, disbursement)
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overflow with gratitude(expression, gratitude)
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perform a duty(expression, duty)
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power of attorney(noun, expression, authority, job)
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satisfy a duty(expression, duty)
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satisfy an obligation(expression, duty)
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savoir gr(expression, gratitude)
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stern necessity(expression, necessity)
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take upon oneself(expression, duty)
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taking care of business(noun, expression, work, charge)
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thank one's stars(expression, gratitude)
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thank you note(noun, expression, appreciation, gratitude)
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tiger by the tail(noun, expression, force, pressure)
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APASmart Define. (2015). obligation thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/obligation/thesaurus/synonyms
ChicagoSmart Define. 2015. "obligation thesaurus" https://smartdefine.org/obligation/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, obligation thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/obligation/thesaurus/synonyms>.
MLASmart Define. "obligation thesaurus" 22 December 2015. Web. 28 September 2026. <https://smartdefine.org/obligation/thesaurus/synonyms>