An Encylopedia Britannica Company

extensive

1 ENTRIES FOUND:
extensive /ɪkˈstɛnsɪv/ adjective
extensive
/ɪkˈstɛnsɪv/
adjective
Britannica Dictionary definition of EXTENSIVE
[more extensive; most extensive]
: large in size or amount : very full or complete

— extensively

adverb

— extensiveness

noun [noncount]