12
contemporaneous(adjective, time, new, contemporary, accompanying)
11
coeval(adjective, time, new, contemporary, accompanying)
9
coexistent(adjective, time, new, contemporary, accompanying)
9
simultaneous(adjective, current, modern, up-to-date, contemporary)
9
synchronous(adjective, time, new, contemporary, accompanying)
8
concomitant(adjective, current, modern, up-to-date, contemporary)
8
contemporary(adjective, time, present, new, existing)
8
synchronic(adjective, time, present, new, current)
7
concurrent(adjective, time, present, new, contemporary)
5
participative
4
synchronal
3
coexisting(adjective, current, modern, up-to-date, contemporary)
3
coincident(adjective, current, modern, contemporary, accompanying)
3
coincidental
3
coterminous
2
accompanying
2
agreeing
2
coeternal
2
collateral
1
accessory
11 years ago|1.2k views|share |citing 
APASmart Define. (2015). coetaneous thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/coetaneous/thesaurus/synonyms
ChicagoSmart Define. 2015. "coetaneous thesaurus" https://smartdefine.org/coetaneous/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, coetaneous thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/coetaneous/thesaurus/synonyms>.
MLASmart Define. "coetaneous thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/coetaneous/thesaurus/synonyms>