mutter - noun
mutter - verb
mutter - thesaurus
croak gnarl grumble grumbling maunder mumble murmur murmuration murmuring mussitate mussitation muttering
Scrabble score = 8
"I ran the trial with a small group of students over three weeks before the summer holidays," she says. "I quickly saw the benefits, and signed up."
King's Leadership Academy, Warrington