perfectly

[pur-fikt-lee]

adverb

in a perfect manner or to a perfect degree: to sing an aria perfectly.
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.

Origin of perfectly

1275–1325; perfect + -ly; replacing Middle English parfitly, derivative of parfit (see perfect)

Synonyms for perfectly

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


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British Dictionary definitions for perfectly

perfectly

adverb

completely, utterly, or absolutely
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

Word Origin and History for perfectly
adv.

c.1300, from perfect + -ly (2).

Online Etymology Dictionary, © 2010 Douglas Harper