extensively

American  

[ik-sten-siv-lee] / ɪkˈstɛn sɪv li /

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.

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Other Word Forms

• nonextensively adverb
• preextensively adverb

Etymology

Origin of extensively

extensive ( def. ) + -ly

Example Sentences

Before the war, he travelled extensively to Europe and the West, like most of Russia's cultural elite.

From Barron's

But while cancer studies have been carried out extensively in dogs, cats have remained unexplored.

From BBC

He wrote extensively about the rise of al-Qaeda affiliates in the region and the growing influence of tech and new outsourcing industries while cultivating a taste for offbeat and obscure stories.

From The Wall Street Journal

He has also written extensively about transportation, with a focus on highway safety.

From The Wall Street Journal

Since then, Frost has spoken extensively with Murphy about changing her ways.

From The Wall Street Journal

Related Words

• broadly
• largely