- Definitions|2
- Thesaurus|2.2k
- Abbreviations|0
71 entries under expression topic. ×
| incumbent on(adjective, significant, essential, basic) | |
| lead off(adjective, head, beginning, prime) | |
| life or death(idiom, need, essential, basic) | |
| meat and potatoes(idiom, simple, condition, straightforward) | |
| name of game(noun, adjective, idiom, significant) | |
| name of the game(idiom, important, essential, critical) | |
| no alternative(need, essential, requirement, prerequisite) | |
| no choice(need, essential, requirement, prerequisite) | |
| number one(adjective, head, beginning, essential) | |
| numero uno(adjective, head, beginning, prime) | |
| of a piece | |
| of the essence | |
| of vital importance | |
| opinion principle(regulation, rule, belief, statement) | |
| principal element(noun, support, action, base) | |
| pure and simple | |
| right up front(adjective, idiom, head, beginning) | |
| starting point(noun, cause, start, base) | |
| universal law(regulation, rule, belief, statement) | |
| unwritten rule(regulation, rule, belief, statement) |
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| APA | Smart Define. (2016). fundamental thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fundamental/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fundamental thesaurus" https://smartdefine.org/fundamental/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, fundamental thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fundamental/thesaurus/synonyms>. |
| MLA | Smart Define. "fundamental thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/fundamental/thesaurus/synonyms> |