The meaning of REALLY is in reality : actually. How to use really in a sentence.

This room is really hot. That's really interesting. It's a really difficult decision. "Did you like it? Not really (= no)."

Discover everything about the word "REALLY" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.

WordReference Random House Learner's Dictionary of American English © 2026 re•al•ly /ˈriəli, ˈrili/ adv. actually: sees things as they really are. genuinely; truly: a really hot day. indeed: Really, this is too …

Define really. really synonyms, really pronunciation, really translation, English dictionary definition of really. adv. 1. In actual truth or fact: There isn't really a lake there; it's just a mirage.

REALLY definition: in reality; actually. See examples of really used in a sentence.

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

The adverb really refers to something actual or genuine. If your ring is really pure gold, does that mean he really likes you?

You use really when you are discussing the real facts about something, in contrast to the ones someone wants you to believe. My father didn't really love her.

She didn't really mean it. Is that really a word? It turned out that the bone wasn't really broken.