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Synonyms

perfectly

American  
[pur-fikt-lee] / ˈpɜr fɪkt li /

adverb

  1. in a perfect manner or to a perfect degree.

    to sing an aria perfectly.

    Synonyms:
    ideally, superbly, flawlessly
  2. 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.


perfectly British  
/ ˈpɜːfɪktlɪ /

adverb

  1. completely, utterly, or absolutely

  2. in a perfect way; extremely well

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

See Examples For:

Earth's center of mass does not stay perfectly still.

From Science Daily ● Oct. 7, 2026

A mortgage on a house you can comfortably afford or buying that duplex I mentioned above to earn some rental income are perfectly fine examples of “good” debt.

From MarketWatch ● Oct. 7, 2026

“I segued into TV and am perfectly happy.”

From Los Angeles Times ● Oct. 6, 2026

Scott slipped seamlessly into England's midfield with powerful running, a complete range of passing and an energy to his link play that made the 23-year-old look perfectly at home at international level.

From BBC ● Oct. 6, 2026

“I’m sure it’s perfectly fine, my dear! Fresh as the day it came. Mr. Steerwijk’s cheese is always—”

From "The Hiding Place" by Corrie ten Boom

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