B1noun2K

Basis

UK /["/ˈbeɪsɪs/","/ˈbeɪsiːz/"]/US /["/ˈbeɪsɪs/","/ˈbeɪsiːz/"]/

Definition

the way things are organized or arranged; how often something happens

In simple words: The main reason or support for something.

Examples

  • The basis of her argument was well-researched and convincing.
  • The study was conducted on a voluntary basis, allowing anyone to participate.
  • The scientific method provides a strong basis for testing hypotheses.
  • He decided to work on a weekly basis rather than a monthly one.
  • Trust is the basis of any healthy relationship.

Usage notes

Used in discussions to refer to the fundamental reason or support behind ideas or actions. Common in academic and formal contexts, but can be used informally too. Avoid in casual conversation when discussing simple preferences.

Grammar pattern

basis + of + noun

Memory hint

Think of 'base' — your foundation for building ideas.

Collocations

  • regular
  • annual
  • daily
  • on a… basis
  • whole
  • consistent
  • factual
  • on the basis of
  • basis for
  • firm
  • solid
  • sound
  • form
  • provide
  • basis for
  • have no basis in something

Synonyms

  • foundation
  • groundwork
  • principle
  • support
  • basis

Antonyms

  • superficiality
  • surface

Common mistakes

  • Confused with 'base' as a physical structure.
  • Using 'basis' in plural form incorrectly.
  • Confusing 'basis' with similar sounding words like 'basis' and 'basses'.