simultaneous

adj.

1. Happening, existing, or done at the same time. See synonyms at contemporary.
2. Mathematics. Containing variables for which there are values that can satisfy all the equations: simultaneous equations.

[Latin simul, at the same time + English -taneous (as in INSTANTANEOUS).]

simultaneously si'mul·ta'ne·ous·ly adv.
simultaneousness si'mul·ta'ne·ous·ness or si'mul·ta·ne'i·ty (-tə-nē'ĭ-tē, -nā'-) n.

adjective

Existing or occurring at the same moment: coincident, contemporary. See time.

adj

Definition: happening at about the same time
Antonyms: asynchronous, different, divided, following, preceding, separate

---

IN BRIEF: Two or more events or situations happening at the same time.

To me, photography is the simultaneous recognition, in a fraction of a second, of the significance of an event. — Henri Cartier-Bresson quotes (1908-2004), French photographer.

Common misspelling(s) of simultaneous

• simultanous

Dansk (Danish)
adj. - samtidig

Nederlands (Dutch)
simultaan, gelijktijdig

Français (French)
adj. - simultané

Deutsch (German)
adj. - simultan, gleichzeitig

Ελληνική (Greek)
adj. - ταυτόχρονος

Italiano (Italian)
simultaneo

Português (Portuguese)
adj. - simultâneo, concomitante

Русский (Russian)
одновременный, синхронный, совместный

Español (Spanish)
adj. - simultáneo

Svenska (Swedish)
adj. - samtidig, simultan, simultan-

中文（简体）(Chinese (Simplified))
同时的, 同时发生的

中文（繁體）(Chinese (Traditional))
adj. - 同時的, 同時發生的

한국어 (Korean)
adj. - 동시의, 동시에 존재하는

日本語 (Japanese)
adj. - 同時に存在する, 同時の

العربيه (Arabic)
‏(صفه) متواقت, متزامن‏

עברית (Hebrew)
adj. - ‮מתרחש בעת ובעונה אחת, בו-זמני, סימולטני‬

If you are unable to view some languages clearly, click here.

To select your translation preferences click here.