instantaneous
/ɪnstənˈteɪni.əs/ adjective C2- Occurring, arising, or functioning without any delay; happening within an imperceptibly brief period of time.
From the library
When the doctor came he said that death had been instantaneous and probably painless, caused in all likelihood by some sudden shock.
And yet there was the dead man and there the revolver bullet, which had mushroomed out, as soft-nosed bullets will, and so inflicted a wound which must have caused instantaneous death.
This instantaneous teleportation certainly saves time, but it simultaneously deprives us of a tangible connection to the earth.
Your grandmother may be comfortably ensconced in the subtropical warmth of the Southern Hemisphere, but my affections traverse the globe with instantaneous ease.
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