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have been muttering
  • present perfect progressive of mutter.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

For weeks now, politicians have been muttering the so-called "O word" - Obergrenze - or upper limit.

From BBC • Dec. 14, 2015

Yes, Beane has had enough, and he must have been muttering to himself when Detroit brought in Price.

From The Guardian • Aug. 1, 2014

Then another pass was misplaced and you can only imagine what Prince Philip would have been muttering under his breath.

From The Guardian • Jun. 2, 2012

Not a few grizzled baseball men have been muttering, like Angels Manager Gene Mauch: "Our game is getting ridiculous."

From Time Magazine Archive

Besides, you have been muttering in your sleep about ‘Mother and Minnie.’

From The Middy and the Moors An Algerine Story by Twidle, Arthur