Instant and Instantaneous

Instant

Instant adjective - Done or occurring without any noticeable lapse in time.
Usage example: an instant response to the cry for help

Instantaneous is a synonym for instant in immediate topic. In some cases you can use "Instantaneous" instead an adjective "Instant", when it comes to topics like time. popular alternative

Instantaneous

Instantaneous adjective - Done or occurring without any noticeable lapse in time.
Usage example: the thunder following the flash of lightning was nearly instantaneous

Instant is a synonym for instantaneous in immediate topic. You can use "Instant" instead the word "Instantaneous" as an adjective or a noun, if it concerns topics such as time. popular alternative

Cite this Source
Instantaneous and Instant. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/instant/instantaneous
Instant & Instantaneous. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/instant/instantaneous>.
Instantaneous or Instant. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/instant/instantaneous.
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