adj
powerful
POW-uhfl
adj
1
Having great strength, influence, or effect.
"She gave a powerful speech that moved the whole audience."
"The powerful engine let the truck haul heavy loads with ease."
How to Use Powerful
Learner’s notesIn plain EnglishHaving a great deal of strength, influence, or effect on something.
Common pairings
powerful engine
powerful speech
powerful nation
Word Forms
more powerful comparative, more powerful comparative, most powerful superlative, most powerful superlative
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She gave a _____ speech that moved the whole audience.
Etymology
Formed from power + the suffix -ful, meaning "full of".