- Definitions|2
- Thesaurus|1.6k
- Abbreviations|0
| jittery(weak, shy, worried, afraid, apprehensive) | |
| kowtowing(adjective, compliant, flattering, deferential, sycophantic) | |
| lacking courage(expression, weak, gutless) | |
| lame(adjective, poor, inferior, inadequate, limited) | |
| languid | |
| languorous | |
| lax(adjective, weak, simple, gentle, forgiving) | |
| limited(adjective, weak, poor, inferior, inadequate) | |
| loose | |
| lukewarm | |
| lustless | |
| manageable(adjective, quiet, weak, simple, gentle) | |
| marrowless | |
| mazy | |
| meekest | |
| mercurial | |
| milk-livered | |
| milquetoast(noun, quiet, gentle, nervous, humble) | |
| moody | |
| mousy(adjective, weak, nervous, shy, worried) |
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| APA | Smart Define. (2015). spineless thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/spineless/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "spineless thesaurus" https://smartdefine.org/spineless/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, spineless thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/spineless/thesaurus/synonyms>. |
| MLA | Smart Define. "spineless thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/spineless/thesaurus/synonyms> |