simultanément
simultaneously, at the same time
adverb see-mul-tah-neh-MAHN Rare
Usage Note
Simultanément is a formal adverb; in everyday speech en même temps is more natural. It is common in technical, journalistic, and academic writing — deux événements se produisant simultanément. The adjective simultané/simultanée and the noun la simultanéité belong to the same family. Traduction simultanée ('simultaneous interpretation') is a fixed phrase.
Examples
"Les deux explosions se sont produites simultanément."
Natural Translation
The two explosions occurred simultaneously.

Free starter pack
Building your French vocabulary?
Get the 100 most common French words as a free PDF — one email, no spam.
Related Words
Explore French by topic
FrenchNow
5 min read