Instantly definition
At once.
adverb
As soon as.
conjunction
In an instant; without delay; immediately.
adverb
With insistence; urgently.
adverb
(brit.) As soon as; the instant that.
I came instantly I saw the need.
conjunction
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(archaic) Urgently; pressingly.
adverb
Origin of instantly
- From instant + -ly.
From Wiktionary