at (some time) sharp

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at (some time) sharp

At an exact time, with the emphasis that one must not be late. We need to leave for the airport at 8 AM sharp tomorrow morning. Please be here at 6:30 sharp.
See also: sharp

at some time sharp

exactly at the time named. You must be here at noon sharp. The plane is expected to arrive at seven forty-five sharp.
See also: sharp, time
References in periodicals archive ?
The Actius AL3D offers high-end power and functionality, providing users with some of the most advanced computing technology available in a very attractive package," said Ian Matthew, 3D Business Development Manager at Sharp Systems of America.
Sharp's TFT 3D LCD technology works on the principle of displaying left and right eye views that are separated so that the left eye sees only the left eye image, and the right eye sees only the right eye image," explained Ian Matthew, 3D Solutions Business Development Manager at Sharp Systems of America.