Synonyms|447Antonyms|43|Broader|6Narrower|12Related|439
5
aperiodic
4
continuous
3
eternal
3
incessant
3
nonperiodic
2
common
2
constant
2
continual
2
perpetual
2
unceasing
1
abiding
1
acyclic
1
ceaseless
1
chronic
1
continuing
0
continued
0
dense
0
diligent
0
episodic
0
everlasting
<123>
For more, visit Periodical on Power Thesaurus
11 years ago|494 views|share |citing 
APASmart Define. (2015). periodical thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/periodical/thesaurus/antonyms
ChicagoSmart Define. 2015. "periodical thesaurus" https://smartdefine.org/periodical/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, periodical thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/periodical/thesaurus/antonyms>.
MLASmart Define. "periodical thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/periodical/thesaurus/antonyms>