impeach

Concise Oxford English Dictionary © 2008 Oxford University Press:
impeach/ɪmˈpiːtʃ/

▶verb

• 1 call into question the integrity or validity of (a practice).

• 2 Brit. charge with treason or another crime against the state.

  ■ chiefly US charge (the holder of a public office) with misconduct.

– derivatives
impeachable adjective,
impeachment noun.

– origin ME: from OFr. empecher ‘impede’, from late L. impedicare ‘entangle’ (based on L. pes, ped- ‘foot’).