| semimonthly | |
| semiweekly | |
| semiyearly | |
| sesquicentenary | |
| sesquicentennial | |
| sextennial | |
| silver wedding anniversary(expression, idiom) | |
| tercentennial | |
| traveling fair(noun, expression, midway, carnival, fairground) | |
| tricennial | |
| amusement park(noun, expression, midway, carnival, fairground) | |
| bazaar(noun, exposition, midway, carnival, fairground) | |
| by bits and pieces(expression, adjective, idiom, intermittent, isochronal) | |
| carnival(noun, exposition, midway, fairground) | |
| celebration(noun, market, exposition, midway, carnival) | |
| display(noun, exposition, midway, carnival, fairground) | |
| every other(expression, adjective, intermittent, isochronal, seasonal) | |
| exhibit(noun, exposition, midway, carnival, fairground) | |
| exhibition(noun, exposition, midway, carnival, fairground) | |
| expo(noun, market, exposition, midway, carnival) |
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| APA | Smart Define. (2015). centennial thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/centennial/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "centennial thesaurus" https://smartdefine.org/centennial/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, centennial thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/centennial/thesaurus/synonyms>. |
| MLA | Smart Define. "centennial thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/centennial/thesaurus/synonyms> |