[ ik-sten-siv-lee ]
/ ɪkˈstɛn sɪv li /
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Definition of extensively

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.
in a far-reaching, comprehensive way; thoroughly: All the science departments have been extensively renovated, with new tutorial rooms and well-equipped laboratories.
at great length or in great detail:He spoke extensively about the threats his daughter faces as a transgender individual.
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.
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of extensively

OTHER WORDS FROM extensively

non·ex·ten·sive·ly, adverbpre·ex·ten·sive·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use extensively in a sentence