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.

Transforming the compound into a usable ingredient required extensive testing.

From Science Daily • Apr. 13, 2026

It declined to say how extensive the restrictions were.

From BBC • Apr. 11, 2026

“Flight attendants undergo extensive, ongoing training to manage a wide range of onboard scenarios.”

From MarketWatch • Apr. 10, 2026

There were extensive reshoots, and the five-episode show received negative reviews and didn’t attract a big audience.

From The Wall Street Journal • Apr. 9, 2026

From what we'd been told, they'd conduct extensive background checks into our immigration status.

From "Americanized" by Sara Saedi

Vocabulary lists containing extensive

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A Christmas Carol

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