1. In a surreptitious manner
   - surreptitiously, clandestinely

See also: sneaky

• mutative
• Mutawa
• Mutawa'een
• mutchkin
• mute
• mute swan
• muted
• mutely
• muteness
• muti
• mutilate
• mutilated
• mutilation
• mutilator
• Mutillidae
• mutineer
• mutinous
• mutinously
• Mutinus
• Mutinus caninus
• mutiny
• mutisia
• mutism
• muton
• Mutsuhito