best efforts

English

Alternative forms

  • best endeavors

Noun

best efforts pl (normally plural, singular best effort)

  1. (law) An assurance of good-faith effort to achieve best results under prevailing circumstances.
  2. (finance) An effort to sell securities without a firm underwriting.
  3. Used other than figuratively or idiomatically: see best,‎ efforts.
    • 2025 November 13, David Hytner, “Saka and Eze strikes sink Serbia as England maintain perfect World Cup qualifying record”, in The Guardian[1]:
      The first paper plane from the stands was cheered onto the fringes of the pitch in the 19th minute and it was certainly a sleepy start, despite the best efforts of Elliot Anderson and Morgan Rogers to inject a bit of tempo.