Dictionary.com
Thesaurus.com
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.

Perfectly understandably, only those inside Anfield will feel and know its full impact.

From BBC • May 25, 2026

"You can see how many fallen leaves there are... Perfectly healthy leaves that could have kept feeding the plant and functioning for months are falling down," he said.

From Barron's • Feb. 12, 2026

Perfectly medium-rare chargrilled steak arrived tableside with fanfare, finished with the now-famous sprinkle of salt.

From Salon • Oct. 31, 2025

Perfectly able to pick out screen stars in the crowd if someone onstage mentioned them, they seemed oblivious of other important artists who got shout-outs.

From New York Times • Jun. 17, 2024

"Look," he said, "I'm starving. Perfectly famished. I don't know if you—if stars—eat, or what they eat. But I won't have you starving yourself."

From "Stardust" by Neil Gaiman

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "perfectly" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com