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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

Into this limbo, the bullpen fits perfectly and if he’s unhappy, well, he was given a $6.5-million signing bonus to accept the ramifications of the following numbers:

From Los Angeles Times • Apr. 17, 2026

Yes, chatbots are unusually persuasive, and writers pick up model biases without even knowing it, but the baseline isn’t some platonic ideal of a perfectly objective journalist.

From Slate • Apr. 17, 2026

The family said he was especially keen to get out of hospital because they had "finally" found a school "perfectly suited to his needs", which he was able to try out before his operation.

From BBC • Apr. 15, 2026

We walk in silence to the end of the jetty where Hannie tied the boat perfectly, out of sight from the shore.

From "Code Name Kingfisher" by Liz Kessler

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.