|mutiny||refusal by soldiers, sailors or airmen to obey their officers|
|mutter||to speak so softly that it is hard to understand the words|
|mutton||the meat from sheep|
|muzzle||the jaws and nose of an animal. The same word also means a sort of cage or arrangement of straps fastened on an animal’s nose and mouth to keep it from biting|
|mystery||something strange that has happened, but that cannot be explained or easily understood|
|myth||an old, old story which explains how something began or happened. The same word also means an imaginary person or event|
Abbreviation An abbreviation is a short form of a word or expression. Abbreviations are used for words used frequently.