20 entries under idiom topic. ×
| shifting sands(expression, changeableness) | |
| express train(expression, velocity) | |
| greased lightning(expression, velocity) | |
| atomic number | |
| blowing hot and cold(expression, lively, unpredictable, changeable) | |
| cannon ball(expression, velocity) | |
| full of go | |
| full of life | |
| full of pep | |
| streak of lightning | |
| wheel of fortune | |
| fly by night(expression, fickle, untrustworthy, unprincipled) | |
| metallic element | |
| not true to(expression, fickle, untrustworthy, unprincipled) | |
| of bad faith(expression, fickle, untrustworthy, unprincipled) | |
| on the QT(expression, fickle, untrustworthy, unprincipled) | |
| on the quiet(expression, fickle, untrustworthy, unprincipled) | |
| snake in grass(expression, fickle, untrustworthy, unprincipled) | |
| stop at nothing(expression, fickle, untrustworthy, unprincipled) | |
| voluntary energy(expression, physical energy) |
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| APA | Smart Define. (2016). quicksilver thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/quicksilver/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "quicksilver thesaurus" https://smartdefine.org/quicksilver/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, quicksilver thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/quicksilver/thesaurus/synonyms>. |
| MLA | Smart Define. "quicksilver thesaurus" 1 April 2016. Web. 24 September 2026. <https://smartdefine.org/quicksilver/thesaurus/synonyms> |