What is another word for instantaneousness?
Pronunciation: [ˌɪnstantˈe͡ɪni͡əsnəs] (IPA) 
The word instantaneousness refers to the quality of happening immediately or without delay. Synonyms for this word include immediacy, promptness, swiftness, rapidity, and speediness. These terms all convey a sense of urgency or quickness, with immediacy emphasizing the absence of delay and promptness emphasizing the timely response to a situation. Swiftness and rapidity both suggest a fast pace, while speediness emphasizes the quickness of an action or response. By using synonyms for instantaneousness, writers can add variety to their language and communicate their message more effectively. Choosing the right word can help to emphasize the significance and impact of the action or event being described.
