one full year; a whole year
Emphasizes that a complete twelve-month period has elapsed or is required. Often used in legal, contractual, or formal contexts.
One full year has passed since joining the company.
This warranty is valid for one full year after purchase.
Compound of 満 (man, 'full') and 一年 (ichinen, 'one year'). The prefix 満- is used to indicate a complete period of time.