Word Study 4.impotence n.being unable to take effective action because you do not have enough power,strength,or control The enemies were reduced to impotence. The country is widely scolded for its political impotence in face of such a riot. 4. impotence n. being unable to take effective action because you do not have enough power, strength, or control The enemies were reduced to impotence. The country is widely scolded for its political impotence in face of such a riot. Word Study