synchronous

If you are a werewolf, your animal transformation is synchronous with the lunar cycle. When something is synchronous, it occurs in time or at the same time with something else.

In synchronous, you see syn- meaning "together," and -chron- meaning "time." If things such as swimming moves are synchronous, they are said to be in sync. Jewel thieves and undercover operatives synchronize their watches so that the team ensures synchronous actions. If the police question you about a crime and your alibi is that you were out dancing, it means that the occurrences of the crime and your dance were synchronous, so you could not be the perpetrator.

Definitions of synchronous
1

adj occurring or existing at the same time or having the same period or phase

“"recovery was synchronous with therapy"- Jour.A.M.A.”
“a synchronous set of clocks”
“the synchronous action of a bird's wings in flight”
synchronous oscillations”
Synonyms:
synchronal, synchronic
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
show more antonyms...

adj (digital communication) pertaining to a transmission technique that requires a common clock signal (a timing reference) between the communicating devices in order to coordinate their transmissions

Antonyms:
asynchronous
(digital communication) pertaining to a transmission technique that does not require a common clock between the communicating devices; timing signals are derived from special characters in the data stream itself

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