exercises designed to promote physical fitness if performed regularly
(as modifier): keep-fit classes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
How to use keep fit in a sentence
The reason Americans should keep fit and maintain a normal weight is to enjoy life.
You make the most of the fall training, Ware, and keep fit during the winter.On Your Mark! | Ralph Henry Barbour
If I don't keep fit I can't work, and this trip I got to make expenses.The Red Cross Girl | Richard Harding Davis
We owe it to our job and to ourselves to keep fit, and recreation is a part of the keep fit schedule."Say Fellows--" | Wade C. Smith
A representative of the Board of Trade said that all that was necessary to avoid colds was to keep fit and not approach infection.
Like the golfer who played golf so much in order to keep fit for golf, we have here a good old-fashioned beneficent circle.The Knack of Managing | Lewis K. Urquhart and Herbert Watson