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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.

“Located just minutes from Meadowood Resort and downtown Saint Helena, this Napa Valley estate promises a lifestyle of luxury, privacy, and sophistication, perfectly suited for those seeking the ultimate in resort-style living,” adds the listing.

From MarketWatch • Apr. 20, 2026

She added it remained "perfectly reasonable" to book overseas holidays, but stressed the key was to prioritise consumer protection and trip flexibility.

From BBC • Apr. 18, 2026

What more perfectly encapsulates that than that building?

From Los Angeles Times • Apr. 17, 2026

And Thompson’s red line happens to align perfectly not only with what companies like Pangram can now measure and sell, but also with what vigilantes can police on social media.

From Slate • Apr. 17, 2026

And they both thought that they understood each other perfectly.

From "Nim’s Island" by Wendy Orr

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.