1. In an undertone
   "he uttered a curse sotto voce"
   - in a low voice

Encyclopedia: Sotto voce

• purple-red
• purple-spotted
• purple-staining Cortinarius
• purple-stemmed aster
• purple-tinged
• purple-tinted
• purple-veined
• purple-white
• purpleness
• purplish
• purplish pink
• purplish-black
• purplish-blue
• purplish-brown
• purplish-green
• purplish-lilac
• purplish-red
• purplish-white
• purport
• purportedly
• purpose
• purpose-built
• purpose-made
• purposeful
• purposefully