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

Encyclopedia: Sotto voce

• 46th
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• 4th
• 4to
• 4WD
• 5
• 5-hitter
• 5-hydroxy-3-methylglutaryl-coenzyme A reductase
• 5-hydroxytryptamine
• 5-membered
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