extensively

[ik-sten-siv-lee]

adverb

1. so as to cover a wide range or area; broadly.

   He reads and travels extensively and is regarded as one of the best-informed men anywhere.

2. in a far-reaching, comprehensive way; thoroughly.

   All the science departments have been extensively renovated, with new tutorial rooms and well-equipped laboratories.

3. at great length or in great detail.

   He spoke extensively about the threats his daughter faces as a transgender individual.

4. to a great degree or in great amounts or numbers; a lot.

   Although the river is used extensively by boaters, no official map has been developed to show the best places to dock, things to see, and hazards to avoid.

Other Word Forms

• nonextensively adverb
• preextensively adverb

Word History and Origins

Origin of extensively¹

extensive ( def. ) + -ly

Example Sentences

Rare-earth elements are used extensively in artificial intelligence, including disk drives, cooling servers and especially semiconductor fabrication.

Read more on MarketWatch

Many vertebrates with large eyes expand their field of view in one of two ways: by turning their head or by moving their eyes extensively.

Read more on Science Daily

The press, from which Mr. Margolick quotes extensively, was overwhelmingly in Caesar’s favor.

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Sansoni has completely revamped United's data capabilities, which are now being used extensively across performance, recruitment and training.

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Physically imposing and extensively equipped with futuristic gadgets, they recategorize humanity from the supposed “most dangerous game” to overly confident meat.

Read more on Salon

Related Words

• broadly 
• largely