9 entries under simultaneous topic. ×

17
concurrent(adjective, time, concurrent, occurring, synchronism)
16
contemporaneous(adjective, time, contemporary, synchronism)
15
contemporary(adjective, time, existing, occurring, synchronism)
14
coincident(adjective, together, concurrent, concurring, synchronism)
11
simultaneous(adjective, occurring, synchronism)
10
coeval(adjective, time, synchronism)
9
concomitant(adjective, accompanying, contributing, occurring, synchronism)
7
synchronized
6
accompanying
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APASmart Define. (2016). synchronous thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/synchronous/thesaurus/synonyms
ChicagoSmart Define. 2016. "synchronous thesaurus" https://smartdefine.org/synchronous/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, synchronous thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/synchronous/thesaurus/synonyms>.
MLASmart Define. "synchronous thesaurus" 10 March 2016. Web. 22 September 2026. <https://smartdefine.org/synchronous/thesaurus/synonyms>