6
terrene(adjective, place, body, material, culture)
6
unhallowed(adjective, unholy)
5
centennial(five, regularity of recurrence periodicity)
4
atheist
4
human(adjective, adverb, physical, material, worldly)
4
irreverent(adjective, irreligious)
4
non-spiritual(adjective, adverb)
4
unsacred(adjective, material, unqualified, spiritual, worldly)
4
unsanctified
3
nonclerical(adjective, unqualified, spiritual, worldly, untrained)
3
annual
3
atheistic(adjective, irreligious)
3
biennial
3
bimonthly
3
biweekly
3
bodily
3
centenary
3
centuple
3
centuplicate
3
centurial
11 years ago|12k views|share |citing 
APASmart Define. (2015). secular thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/secular/thesaurus/synonyms
ChicagoSmart Define. 2015. "secular thesaurus" https://smartdefine.org/secular/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, secular thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/secular/thesaurus/synonyms>.
MLASmart Define. "secular thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/secular/thesaurus/synonyms>