powerful

(adjective, adverb)

adjective

1. having great power or force or potency or effect

- the most powerful government in western Europe

- his powerful arms

- a powerful bomb

Similar word(s): effective, effectual, efficacious, potent, stiff, strong, almighty, omnipotent, coercive, compelling, mighty, muscular, potent, strong, puissant, regent, regnant, reigning, ruling

2. strong enough to knock down or overwhelm

Similar word(s): strong

3. having great influence

Similar word(s): influential, potent

4. (of a person) possessing physical strength and weight; rugged and powerful

- powerful arms

Similar word(s): strong, brawny, hefty, muscular, sinewy, rugged

5. displaying superhuman strength or power

Similar word(s): superhuman, herculean

adverb

1. (Southern regional intensive) very; to a great degree

- it is powerful humid

- that boy is powerful big now

Similar word(s): mightily, mighty, right