extensively

US /ɪkˈstɛnsɪvlɪ/

UK /ɪk'stensɪvlɪ/

B2

adverb

  • Very much or often; to a large degree
  • In a thorough and detailed manner.
  • Widely; by a large number of people or in a large number of places.
  • In a widespread manner; to a great extent.