Greatly
Greatly adverb - To a large extent or degree.
Usage example: authorities have greatly increased the scope of their investigation of corruption in the mayor's office
Slightly
Slightly adverb - By a very small margin.
Usage example: I thought the first one was slightly better
Nearby Word: slight
Both words in one sentence
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Heck, everyone outside the British Navy seems slightly or greatly incompetent, and a good deal of the people within.
Source: Literature / Horatio Hornblower -
Nothing is weak to any particular origin, but all can be resisted either slightly or greatly.
Source: Video Game / Summon Night -
Occasionally, instead of simply approving or disapproving, they "slightly" or "greatly" approve/disapprove.
Source: Relationship Values
Cite this Source
Slightly and Greatly. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/greatly/slightly
Greatly & Slightly. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/greatly/slightly>.
Slightly or Greatly. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/greatly/slightly.
Google Ngram Viewer shows how "greatly" and "slightly" have occurred on timeline