The word “simultaneously” is an adverb that means “at the same time.” It is pronounced with the stress on the third syllable, like this: si-mul-TAY-nee-uhs. The word is often used to describe events that happen at the same time, or to describe things that exist at the same time. For example, you might say that two cars collided simultaneously, or that two people were talking simultaneously.
The word “simultaneously” is derived from the Latin word “simul,” which means “at the same time.” The word was first used in English in the 16th century. It is a common word in both spoken and written English, and it is used in a variety of contexts.
