a state of disorder or untidiness.
to put into disorder; make messy; rumple (often followed by up).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use muss in a sentence
When commentators noted that even his hair looked too perfect, his aides mussed it up.
The old man paced the floor of the cabin, his white hair mussed, his face red with excitement.Derelict | Alan Edward Nourse
"Don't lie to me, unless you want to be mussed up some more," said Tom grimly, glancing at Koku.Tom Swift and His Giant Telescope | Victor Appleton
Rose cried out when she saw the little ones so mussed up and with tear-stained faces, "what has happened to you?"Six Little Bunkers at Mammy June's | Laura Lee Hope
The straw must be clear of all seed or grain and kept straight, not mussed up, crumpled, and broken.Shelters, Shacks and Shanties | D.C. Beard
Altogether, they were as badly mussed a trio as you could wish to see, when Tom came out the back door toward them.Winona of the Camp Fire | Margaret Widdemer
British Dictionary definitions for muss
(tr often foll by up) to make untidy; rumple
a state of disorder; muddle
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