Extensively
Extensively adverb - To a large extent or degree.
In-depth and extensively are semantically related In some cases you can use "In-depth" instead an adjective "Extensively".
In-depth
In-depth adjective - Covering everything or all important points.
Extensively and in-depth are semantically related in painstaking topic. Sometimes you can use "Extensively" instead an adjective phrase "In-depth".
Mutual synonyms
Both words in one sentence
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Let's Play Sonic the Hedgehog, but Second... features SuperBrosTV being wholly incompetent at Sonic the Hedgehog despite having extensively looked at the map of the level at the start of the video and his whole gimmick for the LP being an in-depth walkthrough.
Source: Web Video / Retsupurae -
Somewhat justified in not everyone studies their own history extensively; simply being of Native American descent wouldn't automatically grant him in-depth knowledge and Kane had actually researched the subject.
Source: Mighty Whitey
Cite this Source
In-depth and Extensively. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/extensively/in-depth
Extensively & In-depth. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/extensively/in-depth>.
In-depth or Extensively. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/extensively/in-depth.
