Greatly
Greatly adverb - In a manner befitting a person of the highest character and ideals.
Permanently and greatly are semantically related. In some cases you can use "Permanently" instead an adverb "Greatly".
Permanently
Permanently adverb - For all time.
Greatly and permanently are semantically related. Sometimes you can use "Greatly" instead an adverb "Permanently".
Mutual synonyms
Both words in one sentence
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All that can really be said in its favour is that it greatly and permanently eroded the strength of the infantry forces which the Germans used to hold the front lines across the Eastern Theatre.
- Up to this point, he was just an Overprotective Dad In Black, but this greatly expanded backstory and explanation of his motives permanently cemented his Ensemble Dark Horse status.
Source: A Day in the Limelight - In that time, he gave her training that greatly advanced her mastery of fire chakra but also ran the risk of permanently crippling her.
Source: Fanfic / Destiny Is A Hazy Thing
Cite this Source
Permanently and Greatly. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/greatly/permanently
Greatly & Permanently. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/greatly/permanently>.
Permanently or Greatly. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/greatly/permanently.
Google Ngram Viewer shows how "greatly" and "permanently" have occurred on timeline