Lacking strength or power; helpless and totally ineffectual.(adjective)
Lacking legal or other authority.(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "powerless" in a sentence
"Olbermann did, however, take issue with what he viewed as "Daily Show" host Jon Stewart's comparison of MSNBC to Fox News, saying, "Sticking up for the powerless is not the moral equivalent of sticking up for the powerful.""
"But, making congress – controlled by democarts by the way – all powerful and the president powerless is not helpful."
"Why do you even bother electing a president if you want the office to remain powerless and only accountable to a slim partisan minority?"