[v] say low and inarticulately grumble, maunder, murmur, mutter, ramble, rumble, say to oneself, speak, stammer, stutter, swallow, talk, utter, verbalize, vocalize, voice, whimper, whine, whisper; concepts 47,77 Ant. speak clearly

{{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ successful ▪ abortive, botched, failed, fruitless, futile, ill fated, misguided, unsuccessful

[[t]mʌ̱mb(ə)l[/t]] mumbles, mumbling, mumbled VERB If you mumble, you speak very quietly and not at all clearly with the result that the words are difficult to understand. Her grandmother mumbled in her sleep... [V n] He mumbled a few words... [V

Messerschmitt AG was a German share-ownership limited, aircraft manufacturing corporation named after its chief designer Willy Messerschmitt from mid-July 19…