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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 …

While some are instantly recognisable for what they are, others could seem unwelcome, if not a disaster. If something happens instantly, it happens immediately. She instantly recognised …

Synonyms for INSTANTLY: immediately, promptly, now, directly, instantaneously, quickly, right, suddenly; Antonyms of INSTANTLY: slowly, late, tardily, after, since, directly

His voice is instantly recognizable. They instantly fell in love. She was killed instantly when her car hit a tree.