1: a line drawn within or around a prison that a prisoner passes at the risk of being shot
2a: a date or time before which something must be done
b: the time after which copy is not accepted for a particular issue of a publication
on deadline or under deadline
: with the requirement of meeting a deadline working on deadline
Examples of Deadline in a Sentence
She worked on her composition right up until the deadline. We had to hurry to meet the deadline. The project was completed a week past its deadline.