16 entries under adjective topic. ×

5
adulterous(fickle, untrustworthy, unprincipled, unfaithful)
4
extramarital
4
additional
3
after-school
3
external
1
extra-curricular
1
illicit(unfaithful, cheating)
0
amateurish
0
dirty
0
extramural
0
foul
0
optional
0
unsporting
0
unsportsmanlike
0
wanton
-1
clandestine
10 years ago|1.9k views|share |citing 
APASmart Define. (2015). extracurricular thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/extracurricular/thesaurus/synonyms
ChicagoSmart Define. 2015. "extracurricular thesaurus" https://smartdefine.org/extracurricular/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, extracurricular thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/extracurricular/thesaurus/synonyms>.
MLASmart Define. "extracurricular thesaurus" 3 November 2015. Web. 25 September 2026. <https://smartdefine.org/extracurricular/thesaurus/synonyms>