ahead of time
She finished the report ahead of time.
She completed the report earlier than the deadline.
before the scheduled or expected time
The project was completed ahead of time.
The project finished earlier than planned.
He arrived at the meeting ahead of time.
He arrived before the meeting started.
Often used in work, academic, or project contexts to indicate early completion.
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Pro Tip
Common Mistake
Do not confuse 'ahead of time' with 'ahead of its time' (meaning advanced or innovative for its era).
Gold Rule
Usage Context
Use 'ahead of time' to describe completing tasks or arriving earlier than expected, not for abstract concepts like 'thinking ahead.'
Word Origin
The phrase combines 'ahead' (Old English 'on heafod', meaning 'at the head') and 'of time' (Middle English 'of', indicating relation). The idiomatic use of 'ahead' to mean 'in advance' dates to the 17th century.
Usage Notes
Common in professional and academic settings. Often used with verbs like 'finish,' 'complete,' 'submit,' or 'arrive.' Not typically used in informal casual conversation.