Instantly

наречие немедленно, тотчас, незамедлительно Например: The snow melted instantly wherever it came in contact with the rock. — Касаясь скал, снег тут же таял. Синоним(ы): immediately, at once

Большой англо-русский словарь

Instantly

I. adverb 1. with importunity; urgently 2. without the least delay; immediately II. conjunction as soon as Example: he ran across the grass instantly he perceived his mother — W. M. Thackeray

Энциклопедический словарь Мерриама-Вебстера