- Definitions|0
- Thesaurus|1.1k
- Abbreviations|0
| brusque | |
| buttoning up(expression, adjective, quiet, reserved, secret) | |
| clamming up(expression, adjective, quiet, reserved, secret) | |
| classified | |
| close-tongued | |
| cold(aloof, reserved, reticent, uncommunicative) | |
| concise | |
| confidential | |
| could hear a pin drop(expression, adjective, idiom, close, quiet) | |
| distant(aloof, reserved, reticent, taciturn, uncommunicative) | |
| dour(aloof, reserved, reticent, uncommunicative) | |
| dried-up(aloof, reserved, reticent, uncommunicative) | |
| dummied up(expression, quiet, restrained, reticent, discreet) | |
| economical of words(expression, idiom) | |
| enigmatic(mysterious, private, reticent, taciturn, uncommunicative) | |
| feline(mysterious, private, reticent, taciturn, uncommunicative) | |
| glum | |
| hidden(adjective, quiet, reserved, secret, private) | |
| hush-hush(adjective, quiet, reserved, secret, private) | |
| hushed(adjective, close, quiet, soft, low) |
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| APA | Smart Define. (2015). tight-lipped thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tight-lipped/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "tight-lipped thesaurus" https://smartdefine.org/tight-lipped/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, tight-lipped thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tight-lipped/thesaurus/synonyms>. |
| MLA | Smart Define. "tight-lipped thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/tight-lipped/thesaurus/synonyms> |