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an official allowance of additional time beyond an original deadline to complete a task or project
Due to unforeseen complications, the team requested a deadline extension from the client.
The team asked the client for more time because of unexpected difficulties.
She applied for a deadline extension after her computer crashed and she lost her work.
She formally asked for more time after her work was accidentally deleted.
Common in academic, professional, and administrative settings. Often requires formal approval.
Always submit your request in writing (email or formal letter) as soon as you realize you need more time. Explain the reason briefly, provide a new proposed deadline, and apologize for any inconvenience. Example: 'Dear Professor, I’m writing to request a one-week extension for the assignment due to unexpected personal circumstances. I’d be happy to submit it by [new date]. Thank you for your understanding.'
Never wait until the last minute to ask for an extension. Requests made after the deadline are rarely approved.
Clearly state how much extra time you need and why. Vague requests are less likely to be granted.
Compound of 'deadline' (from 'dead' + 'line', originally a line drawn around a prison beyond which prisoners could be shot) and 'extension' (from Latin 'extensio', meaning 'stretching out'). The modern business sense of 'deadline' emerged in the 20th century.
Typically used in professional, academic, or formal contexts. Informal alternatives include 'more time' or 'extra days'. Always check if an extension is permitted by policy or agreement.