synchronal

Synonyms:

synchronic, synchronous

synchronic

concerned with phenomena (especially language) at a particular period without considering historical antecedents

coetaneous, coeval, contemporaneous

of the same period

coexistent, coexisting

existing at the same time

co-occurrent, coincident, coincidental, coinciding, concurrent, cooccurring, simultaneous

occurring or operating at the same time

contemporaneous, contemporary

occurring in the same period of time

parallel

of or relating to the simultaneous performance of multiple operations

synchronic

(of taxa) occurring in the same period of geological time

synchronised, synchronized

operating in unison

Antonyms:

asynchronous

not synchronous; not occurring or existing at the same time or having the same period or phase

allochronic

(of taxa) occurring in different geologic times

anachronic, anachronistic, anachronous

chronologically misplaced

nonsynchronous, unsynchronised, unsynchronized, unsynchronous

not occurring together

in series, nonparallel, serial

of or relating to the sequential performance of multiple operations

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