Synonyms of extensive in English:

extensive

adjective

  • 1 a mansion with extensive grounds
    large, large-scale, sizeable, substantial, considerable, ample, great, huge, vast, immense, boundless, immeasurable; spacious, capacious, commodious, voluminous, roomy; broad, expansive, sweeping
    [Antonyms] small
  • 2 his extensive knowledge of antiques made the shop popular
    [Antonyms] small, limited
  • Definition of extensive in:

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    Word of the day ween
    Pronunciation: wiːn
    verb
    be of the opinion; think or suppose