| subdued(adjective, dull, low) | |
| subtle | |
| terrorized | |
| tremulous | |
| trepid | |
| unadventurous(adjective, weak, shy) | |
| understated | |
| unheroic | |
| unobtrusive | |
| wimpy | |
| worried | |
| intimidated | |
| affrighted | |
| alarmed | |
| apprehensive | |
| ashamed(adjective, remorseful, regretting) | |
| backward | |
| birdhearted(adjective, without fear) | |
| lowly | |
| mannerly |
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| APA | Smart Define. (2016). bold thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/bold/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "bold thesaurus" https://smartdefine.org/bold/thesaurus/antonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, bold thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/bold/thesaurus/antonyms>. |
| MLA | Smart Define. "bold thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/bold/thesaurus/antonyms> |