15 entries under irregular topic. ×

16
periodic(adjective, exact, ordinary, usual, steady)
13
periodical(noun, adjective, regular, routine)
11
cyclical(adjective, regular, routine, repetition)
9
recurrent(adjective, exact, ordinary, usual, steady)
8
intermittent(adjective, regular, routine, erratic)
7
isochronal(adjective, regular, routine, repetition)
6
seasonal(adjective, regular, routine, erratic)
5
isochronous(adjective, regular, routine, repetition)
2
epochal(adjective, regular, routine, erratic)
2
every other(expression, adjective, erratic, infrequent)
1
by bits and pieces(expression, adjective, idiom, erratic)
1
here and there(expression, adjective, idiom, erratic)
1
iterant(adjective, erratic, infrequent, recurrent)
1
stop-and-go(adjective, erratic, infrequent, recurrent)
0
now then(expression, adjective, infrequent, sporadic)
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APASmart Define. (2015). cyclic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/cyclic/thesaurus/synonyms
ChicagoSmart Define. 2015. "cyclic thesaurus" https://smartdefine.org/cyclic/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, cyclic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/cyclic/thesaurus/synonyms>.
MLASmart Define. "cyclic thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/cyclic/thesaurus/synonyms>