52 entries under idiom topic. ×
| atomic nucleus | |
| bone marrow | |
| bull's eye(expression, centrality) | |
| center of attention | |
| coal and ice(noun, expression, emotion, heart) | |
| core group | |
| corner stone(expression, importance) | |
| crux of the matter(expression, details, essentials, fundamentals) | |
| grain of seed | |
| great thing(expression, importance) | |
| half the battle(expression, importance) | |
| head and front(expression, importance) | |
| heart of hearts(noun, expression, emotion, mood) | |
| important part(expression, importance) | |
| main chance(expression, importance) | |
| marrow squash | |
| nature of beast(expression, short, summary) | |
| nature of the beast(noun, expression, substance, idea) | |
| nerve center | |
| nerve centre |
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| APA | Smart Define. (2015). kernel thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/kernel/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "kernel thesaurus" https://smartdefine.org/kernel/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, kernel thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/kernel/thesaurus/synonyms>. |
| MLA | Smart Define. "kernel thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/kernel/thesaurus/synonyms> |