- Definitions|0
- Thesaurus|371
- Abbreviations|0
| immobile(adjective, tranquil, silent, motionless, unmoving) | |
| imperceivable(unknowing, hermetical, unbriefed) | |
| in a corner(expression, idiom, unknowing, hermetical, unbriefed) | |
| in secret(expression, unknowing, hermetical, unbriefed) | |
| inactivate | |
| incommunicable(adjective, taciturn) | |
| incommunicative(adjective, taciturn) | |
| introverted(reserved, reticent, uncommunicative) | |
| keep down(expression, close, gag, quieten, shush) | |
| keep it down(expression, idiom, quieten, shush, dulling) | |
| keep silent | |
| keeping a stiff upper lip(expression, idiom, silenced, whist, disimpassioned) | |
| make silent(expression, quiet, inactivate) | |
| muzzled(silenced, whist, disimpassioned) | |
| mysterious(private, reticent) | |
| nescient(unknowing, hermetical, unbriefed) | |
| noncommittal(adjective, decide) | |
| not informed(expression, unknowing, hermetical, unbriefed) | |
| not knowing(expression, unknowing, hermetical, unbriefed) | |
| not talkativ(expression, adjective, close, quiet, soft) |
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| APA | Smart Define. (2013). clammed up thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/clammed_up/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "clammed up thesaurus" https://smartdefine.org/clammed_up/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2013, clammed up thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/clammed_up/thesaurus/synonyms>. |
| MLA | Smart Define. "clammed up thesaurus" 18 May 2013. Web. 22 September 2026. <https://smartdefine.org/clammed_up/thesaurus/synonyms> |