Question

what is impeachment?​

Answer 1

Hey mate here is your answer

Impeachable offenses. The Constitution defines impeachment at the federal level and limits impeachment to "The President, Vice President, and all civil officers of the United States" who may be impeached and removed only for "treason, bribery, or other high crimes and misdemeanors"

hope it will help u

Answer 2

Impeachment is the process by which a legislative body levels charges against a government official. ... Once an individual is impeached, he or she must then face the possibility of conviction by a legislative vote, which judgment entails removal from office. 
Hope it help you.