KJV Dictionary Definition: mutter
MUT'TER, v.i. L. mutio, muttio, and musso,mussito; allied perhaps to muse, which see.
1. To utter words with a low voice and compressed lips, with sullenness or in complaint; to grumble; to murmur.
Meantime your filthy foreigner will stare,
And mutter to himself.
2. To sound with a low rumbling noise.
Thick lightnings flash, the muttering thunder rolls.
MUT'TER, v.t. To utter with imperfect articulations, or with a low murmuring voice.
Your lips have spoken lies,your tongue hath muttered perverseness. Is.59.
They in sleep will mutter their affairs.
MUT'TER, n. Murmur; obscure utterance.
MUT'TERED, pp. Uttered in a low murmuring voice.
MUT'TERER, n. A grumbler; one that mutters.
MUT'TERING, ppr. Uttering with a low murmuring voice; grumbling; murmuring.
MUT'TERINGLY, adv. With a low voice; without distinct articulation.