33 entries under adjective topic. ×

18
centenary(noun, five, birthday, anniversary)
6
century
4
secular(five, regularity of recurrence periodicity)
4
centurial
4
monthly(regular, routine, sporadic, intermittent)
3
hourly(regular, routine, sporadic, intermittent)
3
weekly(regular, routine, sporadic, intermittent)
2
hundred
2
periodic(regular, intermittent, isochronal, seasonal)
2
periodical(noun, regular, routine, sporadic)
2
time period
1
at various times(expression, idiom, regular, routine)
1
cyclic(regular, routine, sporadic, intermittent)
1
epochal(regular, routine, sporadic, intermittent)
1
every once in a while(expression, idiom, regular, routine)
1
every so often(expression, idiom, regular, routine)
1
intermittent(regular, routine, sporadic, occasional)
1
isochronal(regular, routine, sporadic, intermittent)
1
isochronous(regular, routine, sporadic, intermittent)
1
on-again-off-again(regular, routine, sporadic, intermittent)
<12>
11 years ago|4.7k views|share |citing 
APASmart Define. (2015). centennial thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/centennial/thesaurus/synonyms
ChicagoSmart Define. 2015. "centennial thesaurus" https://smartdefine.org/centennial/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, centennial thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/centennial/thesaurus/synonyms>.
MLASmart Define. "centennial thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/centennial/thesaurus/synonyms>