Really is the only correct spelling in English across American, British, and global usage. The incorrect form realy appears due to typing speed, habit, or uncertainty about English spelling rules.

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

Do you spell it' realy' or 'really'? We can answer that plus teach you how to use the word in a sentence correctly.

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

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.

Find 51 different ways to say REALLY, along with antonyms, related words, and example sentences at Thesaurus.com.

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

🚀 TL;DR: The Essence of “Really” “Really” is an adverb that intensifies or confirms the truth of a statement. It can mean “truly,” “in fact,” “certainly,” or “to a great extent.” Its usage depends on tone—whether you’re expressing surprise, agreement, or emphasis. Overusing it can weaken your message, so context and subtlety are key. Mastering “really” helps ...

REALLY definition: 1. in fact: 2. used to say that something is certain: 3. very or very much: . Learn more.

really (comparative more really, superlative most really) (literal) In a way or manner that is real, not unreal.