simultaneous

9 synonyms and 15 antonyms for simultaneous, ranked by how commonly they're used.

Adj — Happening or done at exactly the same time as something else.

Synonyms for simultaneous

coincident coincidental concomitant concurrent homochronous isochronous synchronal synchronical synchronous

sequential asynchronous metachronous antisynchronous asynchronic heterochronous polychronic uncoincidental unconcurrent noncoincident noncoincidental nonconcurrent nonisochronous nonsimultaneous nonsynchronous