General English


  • noun a usually square or rectangular piece of cloth with a symbolic design or colour
  • noun a small visual warning or indicating device on the face of an instrument


  • noun a term used by chartists to refer to a period when prices consolidate a previous advance or fall


  • noun a mark which is attached to information in a computer so that the information can be found easily


  • noun a way of showing the end of field or of indicating something special in a database
  • noun a method of reporting the status of a register after a mathematical or logical operation
  • verb to attract the attention of a program while it is running to provide a result, report an action or indicate something special


  • Something utilized to notify, remind, identify, comment, or warn.
  • In computers, a marker, code, or sequence of bits which serves as a flag (1). For example, such a flag indicating the end of a process, or an error condition.
  • In communications, a marker, code, or sequence of bits which serves as a flag (1). For example, such a flag indicating the end of a transmission, or notifying of an upcoming control code.

Information & Library Science

  • verb to use a computer code to mark a record as part of a subset

Media Studies

  • noun a piece of flat wood, cardboard or other material used to shield the camera lens from unwanted light sources


  • noun a square or rectangular piece of fabric attached to a pole, displaying colours or insignia


  • noun a tag attached to a sheet of paper to mark a special section of text or to a web of paper to mark where there is a fault or where a joint has been made
  • noun the name of a newspaper or magazine, printed in a special style to identify the paper easily

Real Estate

  • verb to pave a surface with flagstones


  • verb to fail. In high-school and college usage, the term refers to an F grade attached to an assignment.


  • noun a piece of cloth with a design on it which is the symbol of a country or company

Origin & History of “flag”

English has at least three separate words flag, none of whose origins are known for certain. both the noun ‘cloth used as an emblem’ (16th c.) and the verb ‘droop, decline’ (16th c.) may have developed from an obsolete 16th-century adjective flag ‘drooping, hanging down’, but no one knows where that came from. Flag the plant (14th c.) is probably related to Danish flæg ‘yellow iris’, but beyond that the trail goes cold. Flag as in flag-stone (15th c.) originally meant ‘piece of turf’. It probably came from Old Norse flaga ‘stone slab’. this also gave English flaw (which originally meant ‘flake’), which is related to English floe, and goes back to a Germanic base, a variant of which produced English flake.