Definition of deadline
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 doneb : the time after which copy is not accepted for a particular issue of a publication
: 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.
The deadline for submitting college applications is April 19th.
They're working under a deadline.
First Known Use of deadline
DEADLINE Defined for English Language Learners
Definition of deadline for English Language Learners
: a date or time when something must be finished : the last day, hour, or minute that something will be accepted
DEADLINE Defined for Kids
Definition of deadline for Students
: a date or time by which something must be done
Seen and Heard
What made you want to look up deadline? Please tell us where you read or heard it (including the quote, if possible).