3
asynchronous
3
diachronic
3
historical
2
at different times
1
anachronic
1
anachronistic
1
nonsynchronous
1
serial
1
unsynchronised
1
unsynchronized
0
allochronic
0
anachronous
0
historic
0
non-synchronous
0
noncontemporary
0
nonparallel
0
nonsimultaneous
0
normative
0
prescriptive
0
unsynchronous
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APASmart Define. (2016). synchronic thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/synchronic/thesaurus/antonyms
ChicagoSmart Define. 2016. "synchronic thesaurus" https://smartdefine.org/synchronic/thesaurus/antonyms (accessed September 21, 2026).
HarvardSmart Define 2016, synchronic thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/synchronic/thesaurus/antonyms>.
MLASmart Define. "synchronic thesaurus" 10 March 2016. Web. 21 September 2026. <https://smartdefine.org/synchronic/thesaurus/antonyms>