will have been double-checking

• future perfect progressive

  future perfect progressive

  Used to describe a continuous action that will progress up until a designated point of completion in the future.

  of double-check.
  double check

  noun

  a simultaneous check by two pieces in which the moving of one piece to give check also results in discovering a check by another piece.

Related Words

• affirm
• approve
• back
• certify
• corroborate
• endorse
• establish
• explain
• sign
• substantiate
• support
• uphold
• verify