powerful

adjectives

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"
is derived from
antonym
is similar to
having unlimited power
is similar to
serving or intended to coerce
"authority is directional instead of coercive"
is similar to
driving or forcing
"compelling ambition"
is similar to
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
is similar to
having or suggesting great physical power or force
"the muscular and passionate Fifth Symphony"
is similar to
having or wielding force or authority
"providing the ground soldier with increasingly potent weapons"
is similar to
powerful
is similar to
acting or functioning as a regent or ruler
"prince-regent"
is similar to
exercising power or authority
see also
producing or capable of producing an intended result or having a striking effect
"an air-cooled motor was more effective than a witch's broomstick for rapid long-distance transportation"-LewisMumford; "effective teaching methods"; "effective steps toward peace"; "made an effective entrance"; "his complaint proved to be effectual in bringing action"; "an efficacious law"
see also
having a strong physiological or chemical effect
"a potent toxin"; "potent liquor"; "a potent cup of tea", "a stiff drink"
see also
having strength or power greater than average or expected
"a strong radio signal"; "strong medicine"; "a strong man"
is an attribute of
possession of controlling influence
"the deterrent power of nuclear weapons"; "the power of his love saved her"; "his powerfulness was concealed by a gentle facade"
strong enough to knock down or overwhelm
"a knock-down blow"
having great influence
is derived from
(of a person) possessing physical strength and weight; rugged and powerful
"a hefty athlete"; "a muscular boxer"; "powerful arms"
displaying superhuman strength or power
"herculean exertions"
is derived from

adverbs

(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"