- Definitions|1
- Thesaurus|15
- Abbreviations|0
Showing "bissextile day" (corrected from "see Bissextile") | add "see Bissextile" definition
| leap day | |
| February 29 | |
| anniversary | |
| bicentennial | |
| biennial | |
| centennial | |
| commemoration | |
| jubilee | |
| leap year | |
| name day | |
| natal day | |
| sesquicentennial | |
| tercentenary | |
| triennial |
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| APA | Smart Define. (2015). bissextile day thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/bissextile_day/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "bissextile day thesaurus" https://smartdefine.org/bissextile_day/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, bissextile day thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/bissextile_day/thesaurus/synonyms>. |
| MLA | Smart Define. "bissextile day thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/bissextile_day/thesaurus/synonyms> |