28 entries under adjective topic. ×

17
concurrent(time, concurrent, occurring, synchronism)
16
contemporaneous(time, contemporary, synchronism, simultaneous)
15
contemporary(time, existing, occurring, synchronism)
14
coincident(together, concurrent, concurring, synchronism)
14
synchronic(time, contemporary, synchronism)
11
coexistent(time, contemporary, congruous, occurring)
11
simultaneous(occurring, synchronism, simultaneous)
10
coeval(time, synchronism, simultaneous)
10
synchronal
9
coetaneous(time, contemporary, synchronism)
9
concomitant(accompanying, contributing, occurring, synchronism)
7
coinciding
7
synchronized
6
accompanying
5
cooperative(congruous, concurrent)
4
coincidental
4
combined
4
synergistic
4
united
3
parallel
<12>
10 years ago|3.7k views|share |citing 
APASmart Define. (2016). synchronous thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/synchronous/thesaurus/synonyms
ChicagoSmart Define. 2016. "synchronous thesaurus" https://smartdefine.org/synchronous/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, synchronous thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/synchronous/thesaurus/synonyms>.
MLASmart Define. "synchronous thesaurus" 10 March 2016. Web. 23 September 2026. <https://smartdefine.org/synchronous/thesaurus/synonyms>