B2adjective1K

Extensive

UK /["/ɪkˈstensɪv/"]/US /["/ɪkˈstensɪv/"]/

Definition

covering a large area; great in amount

In simple words: very large in size or amount

Examples

  • The company conducted extensive research before launching the new product.
  • She has extensive experience in the field of environmental science.
  • The hurricane caused extensive damage throughout the coastal region.
  • They have an extensive network of contacts in the international market.
  • His knowledge of classical literature is extensive and impressive.

Usage notes

Use 'extensive' when describing a large range or variety, especially in formal contexts like reports or academic writing. Avoid in casual conversations.

Grammar pattern

standalone adjective

Memory hint

Sounds like 'extend' — imagine extending a large area.

Collocations

  • extensive research
  • extensive experience
  • extensive coverage
  • extensive network
  • extensive training

Synonyms

  • far-reaching

Antonyms

  • limited
  • narrow
  • restricted

Common mistakes

  • Confused with 'intensive' which means having a high degree or level.
  • Using 'extensive' in informal contexts where simpler words like 'big' might be more appropriate.