- Definitions|1
- Thesaurus|288
- Abbreviations|0
| adulterous(adjective, fickle, untrustworthy, unprincipled, unfaithful) | |
| extramarital(adjective, illicit) | |
| additional | |
| after-school | |
| external | |
| outside | |
| extra-curricular | |
| illicit(adjective, unfaithful, cheating) | |
| tertiary | |
| amateurish | |
| collegiate | |
| dirty | |
| extramural | |
| foresworn(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| foul | |
| intramural | |
| lubricious(fickle, untrustworthy, unprincipled, dirty-dealing) | |
| optional | |
| unassured(fickle, untrustworthy, unprincipled) | |
| unfaithful(fickle, untrustworthy, unprincipled, cheating, dirty-dealing) |
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Extracurricular on
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| APA | Smart Define. (2015). extracurricular thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/extracurricular/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "extracurricular thesaurus" https://smartdefine.org/extracurricular/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, extracurricular thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/extracurricular/thesaurus/synonyms>. |
| MLA | Smart Define. "extracurricular thesaurus" 3 November 2015. Web. 21 September 2026. <https://smartdefine.org/extracurricular/thesaurus/synonyms> |