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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.

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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