im ‧ peach /ɪmˈpiːtʃ/ BrE AmE verb [transitive] law
[ Date: 1300-1400 ; Language: Old French ; Origin: empeechier , from Late Latin impedicare 'to fasten the feet together' , from Latin pedica 'fetter' ]
if a government official is impeached, they are formally charged with a serious crime in a special government court:
The governor was impeached for using state funds improperly.
—impeachment noun [uncountable and countable]