SIMULTANEOUS definition: 1. happening or being done at exactly the same time: 2. happening or being done at exactly the…. Learn more.

5 days ago · The meaning of SIMULTANEOUS is existing or occurring at the same time : exactly coincident. How to use simultaneous in a sentence. Synonym Discussion of Simultaneous.

SIMULTANEOUS meaning: 1. happening or being done at exactly the same time: 2. happening or being done at exactly the…. Learn more.

Definition of simultaneous adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

SIMULTANEOUS definition: existing, occurring, or operating at the same time; concurrent: simultaneous translation. See examples of simultaneous used in a sentence.

Use the adverb simultaneously to describe actions that occur at the same time. You are reading this sentence and simultaneously learning a new word!

2 meanings: 1. occurring, existing, or operating at the same time; concurrent 2. chess a display in which one player plays a.... Click for more definitions.

Define simultaneous. simultaneous synonyms, simultaneous pronunciation, simultaneous translation, English dictionary definition of simultaneous. adj. 1. Happening, existing, or done at the same time.

Jun 19, 2026 · Synonyms for SIMULTANEOUS: concurrent, synchronous, synchronic, coincident, coincidental, contemporaneous, contemporary, coeval; Antonyms of SIMULTANEOUS ...

Apr 15, 2026 · simultaneous English Etymology From Medieval Latin simultaneus, from simultim (“at the same time, extended”), from Latin simul (“together, at the same time”); compare similar.