The meaning of INSTANTLY is without the least delay : immediately. How to use instantly in a sentence.

INSTANTLY definition: immediately; at once. See examples of instantly used in a sentence.

The price of public stocks change instantly in reaction to news that is perceived to affect the future value of that company.

Definition of instantly adverb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

instantly (ˈɪnstəntlɪ) adv 1. immediately; at once 2. archaic urgently or insistently

WordReference Random House Unabridged Dictionary of American English © 2025 in•stant•ly (in′ stənt lē), adv. immediately; at once. urgently. conj. as soon as; directly: I recognized her instantly she …

If something happens instantly, it happens immediately. She instantly recognised him. 2 senses: 1. immediately; at once 2. archaic urgently or insistently.... Click for more definitions.

Something happens instantly when there's no pause or delay at all before it occurs. If you fall asleep as soon as your head touches your pillow, you can say you drifted off instantly.

There are six meanings listed in OED's entry for the adverb instantly, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

instantly definition: without any delay. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "instantly click", "instantly forgettable".