Extensively
Extensively adverb - To a large extent or degree.
Really and extensively are semantically related. In some cases you can use "Really" instead an adverb "Extensively".
Really
Really adverb - To a great degree.
Usage example: really tired after staying up all night
Extensively and really are semantically related. Sometimes you can use "Extensively" instead an adverb "Really".
Mutual synonyms
Related pairs
Both words in one sentence
- It's not really "the" story of New Vegas, but it uses the game's plot extensively.
Source: Fanfic Recs / Fallout - This is covered extensively in The Mixerman Diaries, which is about what really happens at a big-budget recording session.
Source: Music Is Politics -
Turns out that after being extensively tortured by the Locust, he's not really in the mood for ass-kicking.
Source: Ate His Gun
Cite this Source
Really and Extensively. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/extensively/really
Extensively & Really. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/extensively/really>.
Really or Extensively. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/extensively/really.
Google Ngram Viewer shows how "extensively" and "really" have occurred on timeline