extensively

adverb

Sayik-STEN-siv-leeUK/ɪkˈstɛn.sɪv.li/AUS/ɪkˈsten.sɪv.li/

2 meanings of extensively

1
adverb
In a way that covers a lot or reaches very far.
The new safety rules were extensively debated before the final vote.
Doctors have extensively studied how sleep affects memory.
Similarthoroughly, substantially, considerably, widely, heavily
Oppositeslightly, minimally, superficially
2
adverb
Over a wide area, or including many different things.
The journalist traveled extensively across the country for the story.
Solar panels are now used extensively in new homes.
Similarwidely, heavily, broadly, comprehensively
Oppositesparingly, narrowly

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Origin

Made from the word "extensive" plus the ending "-ly".