denaturalize or denaturalise /dē-nachˈə-rə-līz/

1. To make unnatural
2. To deprive of naturalization as a citizen

dēnaturalīzāˈtion or dēnaturalīsāˈtion noun

• imparlance
• imparlances
• imparled
• imparling
• imparls
• impart
• impartable
• impartation
• impartations
• imparted
• imparter
• imparters
• impartial
• impartialities
• impartiality
• impartially
• impartialness
• impartialnesses
• impartibilities
• impartibility
• impartible
• impartibly
• imparting
• impartment
• impartments