What does extensive mean?
Extensive is an adjective describing something that covers a large area, range, or amount — whether physical space, such as an extensive forest, or abstract scope, such as extensive knowledge or extensive damage. It conveys scale and breadth rather than intensity: an extensive study examines many subjects broadly, while an intensive one probes deeply into a narrow field. The word appears constantly in academic, professional, and journalistic contexts, where it signals thoroughness or magnitude without judgment — extensive travel, extensive repairs, and extensive collections are all simply large or wide-ranging ones. Derived from the Latin verb extendere, meaning to stretch out, it shares its roots with words like extent and extension, quietly preserving the image of something stretched across space. Its reliability and neutrality make it one of the most useful adjectives for describing size and scope precisely.
adjectiveCovering or affecting a large area; great in amount, scope, or degree. Also used of knowledge or study that is broad and thorough.
- Large in area, range, or amount; covering or involving much space, territory, or scope.
- (Of knowledge, study, or activity) broad and comprehensive; done widely or thoroughly.
"The storm caused extensive damage along the coastline."
"The library holds an extensive collection of medieval manuscripts."
"She has extensive experience in international law."
The word 'extend' and 'extensive' both trace back to a Latin verb meaning literally 'to stretch out' — every time you say something is extensive, you're describing how far it stretches.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of extensive
Extensive comes from the Latin verb extendere ('to stretch out'), via its past participle extensus combined with the adjective-forming suffix -ivus. It entered English in the early 17th century, initially in scholarly and philosophical use before broadening to general descriptions of area and degree. It shares this Latin root with cognates such as extent, extension, and extend, as well as related forms in Romance languages like French étendu.
Related word forms
How extensive is actually used
Extensive is a neutral, largely formal-to-neutral word common in academic, professional, and journalistic writing. It typically emphasizes breadth or scale rather than depth; for intensity or concentration, 'intensive' is preferred.
Easily confused with extensive
Extensive means covering a large area or amount, while intensive means concentrated, thorough, or focused in depth.