first-name basis

adjective

Definition of first-name basis

US
Note: People who are on a first-name basis know each other well and address each other by their first names.
sometimes used figuratively
  • She was on a first-name basis with adversity.

Word by Word Definitions

first name first-name
  1. : the name that stands first in one's full name

basis play
  1. : the bottom of something considered as its foundation

  2. : the principal component of something

  3. : something on which something else is established or based


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