Definitions for instantaneousˌɪn stənˈteɪ ni əs

This page provides all possible meanings and translations of the word instantaneous

Random House Webster's College Dictionary

in•stan•ta•ne•ousˌɪn stənˈteɪ ni əs(adj.)

  1. occurring, done, or completed in an instant; immediate:

    an instantaneous response.

  2. existing at or pertaining to a particular instant.

Origin of instantaneous:

1645–55; < ML instantāneus. See instant , -an1, -eous

in`stan•ta′ne•ous•ness-tnˈi ɪ ti(n.)

in`stan•ta•ne′i•ty-tnˈi ɪ ti(n.)

Princeton's WordNet

  1. instantaneous, instant(a)(adj)

    occurring with no delay

    "relief was instantaneous"; "instant gratification"


  1. instantaneous(Adjective)

    Occurring, arising, or functioning without any delay; happening within an imperceptibly brief period of time.

  2. Origin: 17th century

Webster Dictionary

  1. Instantaneous(adj)

    done or occurring in an instant, or without any perceptible duration of time; as, the passage of electricity appears to be instantaneous

  2. Instantaneous(adj)

    at or during a given instant; as, instantaneous acceleration, velocity, etc

Translations for instantaneous

Kernerman English Multilingual Dictionary


done, happening or acting in an instant or very quickly

The effect of this poison is instantaneous.

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