impede

v.妨碍；阻碍，阻止

impartially, impassable, impasse, impassioned, impassive, impassively, impassiveness, impassivity, impassivity, impatience, impatient, impatiently, impeach, impeachable, impeachment, impeccable, impeccably, impecunious, impecuniously, impecuniousness, impedance, impediment, impedimenta, impel, impend, impending, impenetrability, impenetrable, impenetrably, impenitence, impenitent, impenitently, imperative, imperatively, imperceptible, imperceptibly, imperfect, imperfection, imperfectly, imperial, imperialism,