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

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

Some common synonyms of simultaneous are coeval, coincident, contemporaneous, contemporary, and synchronous. While all these words mean "existing or occurring at the …

SIMULTANEOUS meaning: If two or more things are simultaneous, they happen or exist at the same time: . Learn more.

Simultaneity Look up simultaneity, simultaneous, or simultaneously in Wiktionary, the free dictionary.

Define simultaneous. simultaneous synonyms, simultaneous pronunciation, simultaneous translation, English dictionary definition of simultaneous. adj. 1. Happening, existing, or done …

WordReference Random House Unabridged Dictionary of American English © 2025 si•mul•ta•ne•ous (sī′məl tā′ nē əs, sim′əl-), adj. existing, occurring, or operating at the same …

Things which are simultaneous happen or exist at the same time. ...the simultaneous release of the book and the film.

Definition of simultaneous adjective from the Oxford Advanced Learner's Dictionary. happening or done at the same time as something else. There were several simultaneous attacks by the …