Dictionary.com
Thesaurus.com
Synonyms

powerless

American  
[pou-er-lis] / ˈpaʊ ər lɪs /

adjective

  1. unable to produce an effect.

    a disease against which modern medicine is virtually powerless.

    Synonyms:
    ineffective
  2. lacking power pow power to act; helpless.

    His legs crumpled, and he was powerless to rise.

    Synonyms:
    infirm, prostrate, impotent, feeble

powerless British  
/ ˈpaʊəlɪs /

adjective

  1. without power or authority

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • powerlessly adverb
  • powerlessness noun

Etymology

Origin of powerless

First recorded in 1545–55; power + -less

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And still, for me, there is a troubled admiration for the Fox sisters’ advance within a society that insisted they stay powerless.

From Literature

They probably would have carried me right through walls and through fire and spears to get to Opal, so powerless was I against this magic, but with Frederick and Bruno, it was all too easy.

From Literature

All those moving parts for a player who only made it onto the park as a sub fielder while Australia were still mathematically alive, with Smith powerless to stop Sri Lanka and Pathum Nissanka's charge.

From BBC

"You kind of feel like you feel a bit unimportant; you feel like you're powerless. You feel like nothing is being done."

From BBC

He also said the organisation was "powerless to constrain the nuclear programme" of Tehran.

From BBC