Greatly
Greatly adverb - To a great degree.
Usage example: I'm not greatly bothered by this setback
Really
Really adverb - To a great degree.
Usage example: really tired after staying up all night
Mutual synonyms
Both words in one sentence
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He is greatly surprised Twilight chooses to help him as well despite all he did, so really, she is the reason he cements his HeelFace Turn.
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Kaho, who Sakura seems to 'admire' greatly and is described as really, really pretty.
Source: Manga / Card Captor Sakura -
Not to mention Kaho, who Sakura seems to 'admire' greatly and is described as really, really pretty.
Source: Even the Girls Want Her
Cite this Source
Really and Greatly. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/greatly/really
Greatly & Really. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/greatly/really>.
Really or Greatly. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/greatly/really.
Google Ngram Viewer shows how "greatly" and "really" have occurred on timeline