i Register
In some senses, deadline is marked as archaic. Watch for register when choosing this word.
noun
A time limit in the form of a date on or before which something must be completed.
I must make this deadline or my boss will kill me!
TfW's [Transport for Wales] plans to meet the PRM [Persons with Reduced Mobility] deadline and withdraw all Pacers by 1 January have been made more difficult by delays to introduction of Class 769 and 230 units.
A guideline marked on a plate for a printing press.
A line that does not move.
A boundary around a prison, prisoners crossing which would be shot.
verb
To render an item non-mission-capable; to ground an aircraft, etc.