- Definitions|0
- Thesaurus|58
- Abbreviations|0
| demure | |
| formal | |
| frowning | |
| glacial(adjective, person, feelings, emotions) | |
| grim-faced | |
| grim-visaged | |
| hard-boiled(adjective, person, feelings, emotions) | |
| hardened(adjective, person, feelings, emotions) | |
| hostile(adjective, person, feelings, emotions) | |
| inflexible(adjective, person, feelings, emotions) | |
| long-faced | |
| merciless(adjective, person, feelings, emotions) | |
| obdurate(adjective, person, feelings, emotions) | |
| poker-faced(adjective, dull, dead, impassive, unresponsive) | |
| rough(adjective, person, feelings, emotions) | |
| sober-minded | |
| sobersided | |
| somber | |
| staid | |
| stone-faced |
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| APA | Smart Define. (2016). straight-faced thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/straight-faced/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "straight-faced thesaurus" https://smartdefine.org/straight-faced/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, straight-faced thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/straight-faced/thesaurus/synonyms>. |
| MLA | Smart Define. "straight-faced thesaurus" 23 March 2016. Web. 24 September 2026. <https://smartdefine.org/straight-faced/thesaurus/synonyms> |