Definition

Adverb: 1. To a great extent or degree; widely; comprehensively: Refers to something being done over a large area, to a large degree, or in a thorough manner that covers many aspects or details.

Usage

The adverb "extensively" is used to modify verbs, adjectives, or other adverbs to indicate that an action is done, or a state exists, in a widespread, thorough, or comprehensive way. It often implies a significant scope, range, or depth.

Examples

• The company extensively researched the market before launching the new product. (The research was very thorough and covered many areas.)
• The forests in this region have been extensively damaged by the fire. (The damage is widespread and affects a large area.)
• She has traveled extensively throughout Asia. (She has traveled to many different places within Asia.)
• The topic was covered extensively in his latest book. (The topic was discussed in great detail and from many angles.)

Advanced Usage

• "Extensively tested/studied/reviewed": A common collocation indicating that something has undergone very thorough testing, study, or analysis.
  • The new vaccine was extensively tested in clinical trials before approval.
• "Used extensively": Frequently used to indicate that something is employed in many places or for many purposes.
  • As referenced: "Oxidation ponds are extensively used for sewage treatment in the Midwest."

Variants and Related Words

• Extensive (adjective): Covering a large area or scope; large in amount or scale.
  • They conducted an extensive investigation.
• Extensiveness (noun): The quality or state of being extensive.
  • The extensiveness of the damage was shocking.

Synonyms

• Widely
• Comprehensively
• Thoroughly
• Broadly
• Greatly

Antonyms

• Minimally
• Slightly
• Narrowly
• Superficially
• Limitedly

Adverb

1. in a widespread way
   • oxidation ponds are extensively used for sewage treatment in the Midwest