mumbled
Webster's Dictionary (GCIDE)
Mumble \Mum"ble\, v. t. [imp. & p. p. Mumbled; p. pr. & vb. n. Mumbling.] [OE. momelen; cf. D. mompelen, mommelen, G. mummelen, Sw. mumla, Dan. mumle. Cf. Mum, a., Mumm, Mump, v.]
1.To speak with the lips partly closed, so as to render the sounds inarticulate and imperfect; to utter words in a grumbling indistinct manner, indicating discontent or displeasure; to mutter. [1913 Webster]
Peace, you mumbling fool.— Shak.[1913 Webster]
A wrinkled hag, with age grown double, Picking dry sticks, and mumbling to herself.— Otway.[1913 Webster]
2.To chew something gently with closed lips. [1913 Webster]