- Definitions|0
- Thesaurus|109
- Abbreviations|6
| two-timing(fickle, untrustworthy, unprincipled) | |
| unassured(fickle, untrustworthy, unprincipled) | |
| unconverted(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| under cover(expression, fickle, untrustworthy, unprincipled, dirty-dealing) | |
| underhand(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| undutiful(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| unethical(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| unfaithful(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| unloyal(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| unpatriotic(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| unprincipled(fickle, untrustworthy, dirty-dealing) | |
| unripened | |
| untrustworthy(fickle, unprincipled) | |
| untrusty(fickle, untrustworthy, unprincipled) | |
| untruthful(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| up and down(expression, adjective, idiom, up-and-down) | |
| unripe |
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| APA | Smart Define. (2013). yoyo thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/yoyo/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "yoyo thesaurus" https://smartdefine.org/yoyo/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2013, yoyo thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/yoyo/thesaurus/synonyms>. |
| MLA | Smart Define. "yoyo thesaurus" 19 May 2013. Web. 27 September 2026. <https://smartdefine.org/yoyo/thesaurus/synonyms> |