simultaneous

adjective

Happening at the same moment.

(mathematics, of a set of equations) To be solved for the same values of variables.

Roots

semsem- · Proto-Indo-European · one, together, as one

Synonyms for simultaneous

concurrentadj coincidentadj coincidingadj synchronousadj synchronicadj isochronousadj coexistentadj contemporaneousadj concomitantadj paralleladj

Synonyms & related words for simultaneous

Find synonyms, related words, and the definition of simultaneous — including concurrent, coincident, coinciding, synchronous, synchronic, isochronous. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to simultaneous

Explore words related to simultaneous — words associated with it, words that go with it, and its nearest matches in meaning. Related words include simultaneously, simultaneousness, simultaneity, nonconcurrent, coincidental, concurrently, multiple, synchronously. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for simultaneous

Common synonyms for simultaneous include concurrent, coincident, coinciding, synchronous, synchronic, isochronous, coexistent, contemporaneous — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does simultaneous come from?

The word simultaneous breaks down into one root of Proto-Indo-European origin: the root sem-, from Proto-Indo-European sem (“one, together, as one”). Explore each root to see other English words built from the same source.