Antonyms of adj powerful

5 senses of powerful

Sense 1
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")

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")

Sense 2
knock-down (prenominal), powerful -- (strong enough to knock down or overwhelm; "a knock-down blow")

INDIRECT (VIA strong) -> weak -- (wanting in physical strength; "a weak pillar")

Sense 3
potent, powerful -- (having great influence)

INDIRECT (VIA influential) -> uninfluential -- (not influential)

Sense 4
brawny, hefty, muscular, powerful, sinewy -- ((of a person) possessing physical strength and weight; rugged and powerful; "a hefty athlete"; "a muscular boxer"; "powerful arms")

INDIRECT (VIA strong) -> weak -- (wanting in physical strength; "a weak pillar")

Sense 5
herculean, powerful -- (displaying superhuman strength or power; "herculean exertions")

INDIRECT (VIA superhuman) -> subhuman -- (less than human or not worthy of a human being; "treated natives as subhuman"; "a subhuman spectacle"; "the subhuman primates")

Similarity of adj powerful

5 senses of powerful

Sense 1
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)
          Also See-> effective#1, effectual#1, efficacious#2; potent#3, strong#4, stiff#4; strong#1

Sense 2
knock-down (prenominal), powerful -- (strong enough to knock down or overwhelm; "a knock-down blow")
       => strong (vs. weak) -- (having strength or power greater than average or expected; "a strong radio signal"; "strong medicine"; "a strong man")

Sense 3
potent, powerful -- (having great influence)
       => influential (vs. uninfluential) -- (having or exercising influence or power; "an influential newspaper"; "influential leadership for peace")

Sense 4
brawny, hefty, muscular, powerful, sinewy -- ((of a person) possessing physical strength and weight; rugged and powerful; "a hefty athlete"; "a muscular boxer"; "powerful arms")
       => strong (vs. weak) -- (having strength or power greater than average or expected; "a strong radio signal"; "strong medicine"; "a strong man")

Sense 5
herculean, powerful -- (displaying superhuman strength or power; "herculean exertions")
       => superhuman (vs. subhuman) -- (above or beyond the human or demanding more than human power or endurance; "superhuman beings"; "superhuman strength"; "soldiers driven mad by superhuman misery")

Synonyms of adv powerful

1 sense of powerful

Sense 1
mighty, mightily, powerful, right -- ((Southern regional intensive) very; to a great degree; "the baby is mighty cute"; "he's mighty tired"; "it is powerful humid"; "that boy is powerful big now"; "they have a right nice place"; "they rejoiced mightily")