95 entries under idiom topic. ×
| have to(verb, expression, phrasal verb, bear) | |
| sine qua non(noun, expression, condition, need) | |
| be obliged(verb, expression, want, need) | |
| have got to(verb, expression, want, need) | |
| be necessary(verb, expression, need, require) | |
| be obliged to(verb, expression, phrasal verb, want) | |
| dry rot(expression, uncleanness) | |
| be made(verb, expression, want, need) | |
| be necessitated(verb, expression, want, need) | |
| be ordered(verb, expression, want, need) | |
| be required(verb, expression, want, need) | |
| call of duty(noun, expression, burden, responsibility) | |
| had better(expression, bear, would, should) | |
| must needs(verb, expression, want, need) | |
| needs must(expression, necessity) | |
| be in for | |
| cannot do otherwise | |
| cannot help but | |
| duties and responsibilities | |
| hard and fast |
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| APA | Smart Define. (2016). must thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/must/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "must thesaurus" https://smartdefine.org/must/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, must thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/must/thesaurus/synonyms>. |
| MLA | Smart Define. "must thesaurus" 29 January 2016. Web. 26 September 2026. <https://smartdefine.org/must/thesaurus/synonyms> |