Mutiny \Mu"ti*ny\, v. i. [imp. & p. p. {Mutinied}; p. pr. & vb. n. {Mutinying}.] 1. To rise against, or refuse to obey, lawful authority in military or naval service; to excite, or to be guilty of, mutiny or mutinous conduct; to revolt against one's superior officer, or any rightful authority. 2. To fall into strife; to quarrel. [Obs.] --Shak.