under your breath

under (one's) breath

Spoken in such a soft, quiet voice that others cannot hear it distinctly. "You'll get what's coming to you one of these days," Janet muttered under her breath.
See also: breath
Farlex Dictionary of Idioms.

under your breath

in a very quiet voice; almost inaudibly.
See also: breath
Farlex Partner Idioms Dictionary

under your ˈbreath

in a whisper (= a low voice), so that others cannot hear: He muttered something under his breath. OPPOSITE: out loud
See also: breath
Farlex Partner Idioms Dictionary
See also:
  • under (one's) breath
  • under breath
  • under one's breath
  • curse (someone) under (one's) breath
  • mutter
  • mutter (something) under (one's) breath
  • with every (other) breath
  • with every breath
  • that will do
  • below (one's) breath