1. Without speaking
   - mutely, wordlessly, taciturnly 
2. Without a sound
   - noiselessly, soundlessly

See also: silent

• Mimus
• Mimus polyglotktos
• min
• Min dialect
• mina
• minable
• minacious
• minah
• Minamata Bay
• Minamata disease
• minaret
• Minato Ohashi Bridge
• minatory
• kapok
• Kaposi's sarcoma
• Kaposi's varicelliform eruption
• kappa
• kappa-meson
• Kapsiki
• kapuka
• kaput
• Kara Kum
• Kara Sea
• karabiner
• Karachi