pow‧er‧ful S3 W2 / paʊəf ə l $ paʊr- / 形容词
1 important a powerful person, organization, group etc is able to control and influence events and other people’s actions → powerless :
He was one of the most powerful men in Bohemia.
a very influential and powerful family
rich and powerful nations
2 speech/film etc having a strong effect on someone’s feelings or opinions :
a powerful speech
powerful reasons/arguments (= reasons that make you think that something must be true )
Good teamwork is a powerful tool (= very effective method ) for effective management.
3 feeling/effect a powerful feeling or effect is very strong or great :
Immigrants have had a powerful influence on the local culture.
a powerful sense of tradition
4 machine/weapon etc a powerful machine, engine, weapon etc is very effective and can do a lot :
a new generation of more powerful PCs
a machine that is immensely powerful
a powerful 24-valve engine
a powerful telescope
5 physically strong physically strong :
Jed was a powerful, well-built man.
The females are smaller and less powerful than the males.
6 a lot of force a powerful blow, explosion etc has a lot of force :
an explosion ten times more powerful than the Hiroshima bomb
a powerful right-foot shot on goal
winds powerful enough to uproot trees
7 medicine a powerful medicine or drug has a very strong effect on your body
8 team/army etc a powerful team, army etc is very strong and can easily defeat other teams or armies :
a powerful fighting force
9 quality very strong, bright, loud etc :
a powerful singing voice
the powerful headlights
— powerfully 副词 :
Christie is very powerfully built. → all-powerful
THESAURUS
powerful a powerful person, organization, group etc is able to control and influence events and other people’s actions : the world’s most powerful nation | Parliament had become more powerful than the King. | a powerful political family
influential having a lot of power to influence what happens, because people pay attention to what you say : a highly influential fashion designer | He’s one of the most influential figures in international politics.
strong powerful – used about people or groups in politics who have a lot of supporters : The communists were particularly strong in the big industrial cities. | He is a strong voice in the state assembly.
dominant more powerful than other people, groups, countries etc : She was the dominant force in women’s tennis for many years. | The company has a dominant position in the market.