49 entries under adjective topic. ×

13
cyclic(regular, irregular, routine, repetition)
13
periodic(continue, regular, irregular, repetition)
11
annual(noun, note, publication, issue)
11
recurrent(regular, irregular, routine, repetition)
11
serial(noun, publication, review, regular)
11
weekly(noun, note, publication, review)
10
daily(noun, note, publication, account)
10
intermittent(continue, regular, irregular, routine)
10
monthly(noun, note, publication, review)
9
sporadic(continue, intermittent)
6
alternate
6
cyclical(repetition, regularity of recurrence periodicity)
6
isochronal(regular, irregular, routine, repetition)
6
regular(noun, press, routine, paper)
5
epochal(regular, irregular, routine, erratic)
5
seasonal(regular, irregular, routine, erratic)
4
isochronous(regular, irregular, routine, repetition)
4
occasional
3
centennial(regular, routine, sporadic, intermittent)
3
continual
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APASmart Define. (2015). periodical thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/periodical/thesaurus/synonyms
ChicagoSmart Define. 2015. "periodical thesaurus" https://smartdefine.org/periodical/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, periodical thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/periodical/thesaurus/synonyms>.
MLASmart Define. "periodical thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/periodical/thesaurus/synonyms>