- Definitions|0
- Thesaurus|105
- Abbreviations|0
| dulling(quieten, shush) | |
| dummy up(expression, quieten, shush, dulling) | |
| fenced | |
| finalized | |
| forbidden | |
| healed | |
| hold tongue(expression, quieten, shush, dulling) | |
| ice out | |
| inaudible(still, hushed, soundless) | |
| keep down(expression, quieten, shush, dulling) | |
| keep it down(expression, idiom, quieten, shush, dulling) | |
| locked | |
| locked up(verb, phrasal verb) | |
| low(quiet, soft, silent) | |
| lowered | |
| not talkativ(expression, adjective, close, quiet, soft) | |
| overawe(quieten, shush, dulling) | |
| overawed(quieten, shush, dulling) | |
| passed up | |
| pipe down(expression, quieten, shush, dulling) |
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| APA | Smart Define. (2015). closed up thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/closed_up/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "closed up thesaurus" https://smartdefine.org/closed_up/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, closed up thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/closed_up/thesaurus/synonyms>. |
| MLA | Smart Define. "closed up thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/closed_up/thesaurus/synonyms> |