73 entries under adjective topic. ×

13
iconic
8
periodic(regular, irregular, erratic, infrequent)
6
epoch-making
6
momentous(important, significant, historic)
6
recurrent(regular, irregular, routine, erratic)
5
cyclical
5
metronomic
5
rhythmic
5
traditional(important, regular)
4
intermittent(regular, irregular, routine, erratic)
4
periodical(noun, regular, irregular, routine)
4
steady
3
accustomed
3
canonical
3
chronic
3
continual
3
conventional
3
habitual
3
isochronal(regular, irregular, routine, erratic)
3
monotonous
10 years ago|2k views|share |citing 
APASmart Define. (2016). epochal thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/epochal/thesaurus/synonyms
ChicagoSmart Define. 2016. "epochal thesaurus" https://smartdefine.org/epochal/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, epochal thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/epochal/thesaurus/synonyms>.
MLASmart Define. "epochal thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/epochal/thesaurus/synonyms>