Antonyms of adj powerless

1 sense of powerless

Sense 1
powerless (vs. powerful) -- (lacking power)

powerful (vs. powerless) -- (having great power or force or potency or effect; "the most powerful government in western Europe"; "his powerful arms"; "a powerful bomb"; "the horse's powerful kick"; "powerful drugs"; "a powerful argument")
        => almighty, all-powerful, omnipotent -- (having unlimited power)
        => coercive -- (serving or intended to coerce; "authority is directional instead of coercive")
        => compelling -- (driving or forcing; "compelling ambition")
        => mighty -- (having or showing great strength or force or intensity; "struck a mighty blow"; "the mighty logger Paul Bunyan"; "the pen is mightier than the sword"- Bulwer-Lytton)
        => muscular -- (having or suggesting great physical power or force; "the muscular and passionate Fifth Symphony")
        => potent, strong -- (having or wielding force or authority; "providing the ground soldier with increasingly potent weapons")
        => puissant -- (powerful)
        => regent (postnominal) -- (acting or functioning as a regent or ruler; "prince-regent")
        => regnant, reigning, ruling -- (exercising power or authority)

Similarity of adj powerless

1 sense of powerless

Sense 1
powerless (vs. powerful) -- (lacking power)
       => feeble, nerveless -- (lacking strength; "a weak, nerveless fool, devoid of energy and promptitude"- Nathaniel Hawthorne)
       => helpless, incapacitated -- (lacking in or deprived of strength or power; "lying ill and helpless"; "helpless with laughter")
       => low-powered -- (having little power to do work; "a low-powered engine")
       => weak -- (not having authority, political strength, or governing power; "a weak president")
          Also See-> impotent#1; ineffective#1, uneffective#1, ineffectual#1; weak#1

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