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.

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 …

The adjective simultaneous describes something that is done at the same time as something else. "The teachers all assigned simultaneous projects to the students that week. The kids were …

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

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

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

simultaneous, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary