mutter (something) under (one's) breath

(redirected from muttered under their breaths)

mutter (something) under (one's) breath

To murmur something in such a soft, quiet voice that others cannot hear it distinctly. (Said especially of rude, unpleasant, complaining, or impertinent remarks.) I could hear Bill muttering something under his breath on the way back to his desk after his annual review. Don't you dare mutter curse words under your breath at me, young lady!
See also: breath, mutter
References in periodicals archive ?
They cursed and muttered under their breaths as Lu repeatedly kept warning them that the furnace was waiting.
If he did not before, he does now, even if he was not mentioned by name as other players muttered under their breaths at his perceived effrontery in going on the front foot.