Dictionary really

adverb

really

Actually or to a strong degree.

I really enjoy walking through the park on sunny mornings.

Etymology

realLatinof a thing

+lyEnglishin a manner

Real denotes actuality. The adverb asserts that something is actually the case and also developed an emphatic use strengthening degree.

More examples

Does this key really open every door?
The bus is really crowded this morning.
The necklace looks expensive, but it is really plastic.

Forms

really

real adjective — Existing in fact rather than imagination.

reality noun — The state of things as they actually exist.

Similar words

actually: Stresses what is true, not how strong something is.
very: Emphasizes degree but does not establish that something is true.
truly: Emphasizes truth or sincerity more than casual intensity.