simultaneous

simultaneous

adjective

Definition of SIMULTANEOUS

existing or occurring at the same period of time <a simultaneous release of the movie and its soundtrack on CD>

Synonyms coetaneous, coeval, coexistent, coexisting, coextensive, coincident, coincidental, concurrent, contemporaneous, coterminous, simultaneous, synchronic, synchronous

Related Words accompanying, attendant, attending, concomitant, incident

Antonyms asynchronous, noncontemporary, nonsimultaneous, nonsynchronous