First
First adverb - As a substitute.
Instantaneously and first are semantically related. In some cases you can use "Instantaneously" instead an adverb "First".
Nearby Word: firstly
Instantaneously
Instantaneously adverb - Without delay.
Show all Definitions
Synonyms for Instantaneously
First and instantaneously are semantically related. Sometimes you can use "First" instead an adverb "Instantaneously".
Nearby Word: instantaneous
Cite this Source
Instantaneously and First. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/first/instantaneously
First & Instantaneously. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/first/instantaneously>.
Instantaneously or First. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/first/instantaneously.
Google Ngram Viewer shows how "first" and "instantaneously" have occurred on timeline