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

Understanding the Context

See examples of really used in a sentence. This room is really hot. That's really interesting. It's a really difficult decision.

Key Insights

"Did you like it? Not really (= no)." Define really. really synonyms, really pronunciation, really translation, English dictionary definition of really. adv. 1.

Final Thoughts

In actual truth or fact: There isn't really a lake there; it's just a mirage. 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 much.

interj. (used to express surprise, scolding, disapproval, etc.): Really, be serious! See -real-. Definition of really adverb in Oxford Advanced Learner's Dictionary.