What is another word for instantaneously?
Pronunciation: [ˌɪnstantˈe͡ɪni͡əsli] (IPA) 
Instantaneously is a word used to describe an action that happens without delay or immediately. Synonyms for instantaneously include immediately, promptly, instant, quickly, swiftly, rapidly, without delay, in a flash, at once, and without hesitation. These synonyms convey the same meaning with varying degrees of intensity. For instance, immediately and promptly can be used interchangeably as they both emphasize urgency. On the other hand, swiftly denotes speed but also carries the connotation of elegance and gracefulness in motion. Ultimately, the choice of synonym depends on the context of the sentence and what message the writer wants to convey. However, all these words share one thing in common- they all describe actions that occur with little to no delay.
