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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.

Micron and Sandisk, plus Western Digital and Seagate, perfectly encapsulate momentum.

From Barron's • Apr. 2, 2026

In its many guises, idolatry has survived, despite regular and often cataclysmic proof of its dangers, for centuries and many people will consider a much-larger-than-life golden statue of a president to be perfectly splendid.

From Los Angeles Times • Apr. 1, 2026

“I think today is perfectly emblematic of the whiplash environment,” said Kevin Gordon, head of macro research and strategy for the Schwab Center for Financial Research.

From MarketWatch • Mar. 31, 2026

She described how a child could go from "being perfectly healthy, happy, running around, to facing a critical situation within a matter of hours".

From BBC • Mar. 26, 2026

He understands that some spaces are perfectly fine being empty.

From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin