Definitions

extensive

[ik-sten-siv] / ɪkˈstɛn sɪv /

ADJECTIVE

far-reaching, thorough

Synonyms

STRONGEST

broad comprehensive considerable expanded huge large large-scale lengthy major pervasive protracted sweeping vast voluminous wide-ranging

WEAK

across the board all-encompassing all-inclusive big blanket boundless capacious commodious comprising extended far-flung general great hefty inclusive indiscriminate long prevalent roomy scopic scopious sizable spacious unexclusive universal unrestricted wall-to-wall wholesale wide widespread

Antonyms

STRONGEST

exclusive insignificant limited little miniature narrow slight small tiny unimportant

WEAK

restricted short uncomprehensive

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The excellent and extensive cross-government work that completed in January-overseen by you, me and the Chancellor - confirmed the scale of the challenge and the rising demands on defence.

From BBC • Jun. 11, 2026

The study included experiments in the nematode Caenorhabditis elegans, investigations using human cell cultures, and analysis of extensive clinical datasets.

From Science Daily • Jun. 11, 2026

Mr. Trump’s physician released a three-page summary of his latest exam results, with extensive lab and neurological test details, and pronounced the President in “excellent” health.

From The Wall Street Journal • Jun. 9, 2026

A former PulteGroup board member told the Detroit Free Press in 2021 that many board members “didn’t think his experience was extensive enough” when his grandfather installed Pulte on the board.

From Salon • Jun. 9, 2026

That’s because Eurasia is the world’s largest landmass, and it’s also very diverse ecologically, with habitats ranging from extensive tropical rain forests, through temperate forests, deserts, and marshes, to equally extensive tundras.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

Vocabulary lists containing extensive

Hatchet

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A Christmas Carol

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