| sack(noun, box, container, can, bag) | |
| storage(noun, sack, box, container, can) | |
| stoup | |
| thermos(noun, bottle) | |
| tray(noun, container) | |
| tumbler(noun, receptacle, liquid) | |
| vacuum bottle(expression, idiom) | |
| vacuum flask(expression, idiom, receptacle) | |
| amphora | |
| balloon | |
| barware(noun, bar, equipment, kitchen, glassware) | |
| basin | |
| basket(noun, container) | |
| beer mug | |
| belly(noun, container) | |
| bladder(noun, container) | |
| bulb | |
| bunker(noun, sack, box, container, can) | |
| butt | |
| cabinet(noun, container) |
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| APA | Smart Define. (2015). flask thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/flask/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "flask thesaurus" https://smartdefine.org/flask/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, flask thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/flask/thesaurus/synonyms>. |
| MLA | Smart Define. "flask thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/flask/thesaurus/synonyms> |