Synonyms of extensive in English:

extensive

adjective

  • 1 a mansion with extensive grounds
    large, large-scale, sizable, substantial, considerable, ample, expansive, great, vast
  • 2 extensive knowledge
  • Definition of extensive in:

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    Word of the day flippant
    Pronunciation: ˈflɪp(ə)nt
    adjective
    not showing a serious or respectful attitude