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.

This “unprecedented” figure, as Guggenheim analyst Simeon Siegel puts it, dates back as far as his extensive model on Ross goes.

From Barron's • Jun. 25, 2026

After analyzing DNA sequences, they launched extensive investigations that included fieldwork on the islands, studies of museum specimens, and additional genetic research.

From Science Daily • Jun. 23, 2026

The order focused on boosting quantum activity directs the Energy Department, which conducts extensive quantum research, to identify the technical specifications needed to measure that goal.

From The Wall Street Journal • Jun. 22, 2026

Subsequent dives to the site documented extensive damage.

From BBC • Jun. 22, 2026

“We have an extensive nonfiction section, which is sure to cover all kinds of cat health issues.”

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

Vocabulary lists containing extensive

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A Christmas Carol

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