malfeasance /mal-fēˈzəns/

1. Evil-doing, wrongdoing (rare)
2. An illegal deed, esp by an official (law)

malfeaˈsant adjective and noun

• sinusoidal
• sinusoidally
• sinusoids
• Siouan
• Sioux
• sip
• sipe
• siped
• sipes
• siphon
• siphonage
• siphonages
• siphonal
• Siphonaptera
• siphonapteran
• siphonate
• siphoned
• siphonet
• siphonets
• siphonic
• siphoning
• siphonogam
• siphonogamies
• siphonogams
• siphonogamy