Reasonable and allowable, up to a certain point, as in It's all right to play your stereo, but please keep the volume within bounds. Like its antonym, out of bounds, this term originally referred to the boundaries of a playing area of field.
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
How to use within bounds in a sentence
Great as his interest in his subject might be, his ardor was held within bounds.Mary Wollstonecraft | Elizabeth Robins Pennell
Never a branch will have to be shortened to keep it within bounds.Amateur Gardencraft | Eben E. Rexford
I noticed that he did not overstate anything, but spoke within bounds.A Plea for Captain John Brown | Henry David Thoreau
How easy, how very easy, it is to keep this kind of friendship—friendship between a man and a woman—within bounds!Studies in love and in terror | Marie Belloc Lowndes
When Glory has once fir'd a noble Soul, nothing can keep it within bounds.The Memoirs of Charles-Lewis, Baron de Pollnitz, Volume I | Karl Ludwig von Pllnitz