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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.

The cameras were attached to trip wires so that when the horse passed each one, it would take a perfectly timed photograph.

From Slate • May 25, 2026

In 1935, while studying the behavior of particles in regions of extreme gravity, Einstein and Rosen introduced what they called a “bridge”: a mathematical link between two perfectly symmetrical copies of spacetime.

From Science Daily • May 22, 2026

Mary, on the other hand, is a clumsy bird who, in Hadlow’s telling, becomes a perfectly capable duckling swimming fiercely amid a bevy of swans.

From Salon • May 20, 2026

There’s a new song called “Light Up” that lives perfectly within the documentary.

From Los Angeles Times • May 19, 2026

Glory managed to look perfectly put together as always.

From "The Way to Rio Luna" by Zoraida Cordova

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