dead·line 
/ˈdɛdˌlaɪn/ noun
plural dead·lines /ˈdɛdˌlaɪn/ noun : a date or time when something must be finished : the last day, hour, or minute that something will be accepted [count] ▪ She worked on her composition right up until the deadline. ▪ We had to hurry to meet/make the deadline. ▪ We missed the deadline. ▪ The project was completed a week past its deadline. ▪ The deadline for submitting college applications is April 19th. ▪ They're working under/with a deadline. [noncount] ▪ They're working under deadline.
