say it: RIL-ee
really is an adverb meaning "in accordance with truth or fact or reality". It carries 4 recorded senses.
in actual fact
“to be nominally but not actually independent”
“no one actually saw the shark”
“large meteorites actually come from the asteroid belt”
in fact (used as intensifiers or sentence modifiers)
“in truth, moral decay hastened the decline of the Roman Empire”
“really, you shouldn't have done it”
“a truly awful book”
intensifier
Definitions, synonyms and semantic relations for really come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.