perfectly
Americanadverb
-
in a perfect manner or to a perfect degree.
to sing an aria perfectly.
- Synonyms:
- ideally, superbly, flawlessly
-
completely; fully; adequately.
This will suit my purpose perfectly.
He’s perfectly happy to help out.
She’s perfectly capable of making her own decision.
adverb
-
completely, utterly, or absolutely
-
in a perfect way; extremely well
Etymology
Origin of perfectly
First recorded in 1275–1325; perfect + -ly; replacing Middle English parfitly, derivative of parfit ( perfect )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
She has learned how to play the intimidating “La Villa Strangiato” perfectly — it’s the least they can do.
From Los Angeles Times • Jun. 8, 2026
It was perfectly understandable that Tuchel wanted to give England's squad time to get minutes in the bank in testing, strength-sapping conditions.
From BBC • Jun. 6, 2026
That’s perfectly fine too, and might even be the better part of valor, not to say emotional maturity.
From The Wall Street Journal • Jun. 5, 2026
In theory, a perfectly point-like star could be magnified infinitely.
From Science Daily • Jun. 5, 2026
The braid wasn’t perfectly neat and straight like the braids Janie did, but it wasn’t bad.
From "A Boy Called Bat" by Elana K. Arnold
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.