Completely
Completely adverb - To a full extent or degree.
Extremely and completely are semantically related. In some cases you can use "Extremely" instead an adverb "Completely".
Extremely
Extremely adverb - To a great degree.
Usage example: an extremely hot day
Completely and extremely are semantically related. Sometimes you can use "Completely" instead an adverb "Extremely".
Mutual synonyms
Related pairs
Both words in one sentence
- Right from the beginning, the story establishes itself as having a completely OOC Ranma, namely by making him have extremely perverse thoughts about Akane after their meeting in the bath.
Source: Fanfic Recs / Ranma ½ -
When it's later proposed to him that the whale might be a metaphor for something like the pointlessness of revenge, he gets extremely annoyed at the notion before rejecting it completely.
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Most of the time, the title character either falls victim to his own Genius Ditz nature or completely fails to properly use his extremely advanced technology.
Source: Beware the Silly Ones
Cite this Source
Extremely and Completely. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/completely/extremely
Completely & Extremely. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/completely/extremely>.
Extremely or Completely. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/completely/extremely.
Google Ngram Viewer shows how "completely" and "extremely" have occurred on timeline