all the best

all the best idiom
  1. Also, all of the best. The entire number or amount of the highest quality of something, as in All of the best fruit was on display, or All the best students competed for the award.
  2. Best wishes, as in I've got to go now—all the best to you and the family. This idiom, first recorded in 1937, is used as an oral farewell or to close an informal letter or note.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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