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doer

American  
[doo-er] / ˈdu ər /

noun

  1. a person or thing that does something, especially a person who gets things done with vigor and efficiency.

  2. a person characterized by action, as distinguished from one given to contemplation.

  3. Australian. an amusing or eccentric person; character.

doer British  
/ ˈduːə /

noun

  1. a person or thing that does something or acts in a specified manner

    a doer of good

  2. an active or energetic person

  3. a thriving animal, esp a horse

"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 doer

1300–50; Middle English. See do 1, -er 1

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.

Mr. Doer is among the many Canadians who expect the return of that once-special relationship under a Biden administration.

From New York Times • Jan. 22, 2021

Doer says he provided Pao with two coaches to help improve her skills.

From US News • Mar. 4, 2015

“Canadians are not only known for their hockey skills but also their great taste in beer,” Doer told us by e-mail.

From Washington Post • Mar. 11, 2014

They were joined by Gary Doer, Canada's ambassador to the United States, and a number of business and labor leaders in an event at the U.S.

From Reuters • Feb. 4, 2014

This morning I attended the funeral of old Mr. Doer....

From Woman's Life in Colonial Days by Holliday, Carl

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.