Meaning of the word instantaneous in English

What does instantaneous mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

instantaneous

US /ˌɪn.stənˈteɪ.ni.əs/
UK /ˌɪn.stənˈteɪ.ni.əs/

Adjective

1.

happening immediately, without any delay:

Example:
an instantaneous response/reply/reaction
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