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Synonyms

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.

In one, Grimes offered to help Musk get $5 billion in funding from then-cryptocurrency wunderkind Sam Bankman-Fried, whom he described as an “Ultra genius and doer builder like your formula.”

From The Wall Street Journal • Feb. 10, 2026

“That was instilled in me, because I don’t like to work for anybody else. I’m more of a doer than a listener.”

From Los Angeles Times • Aug. 23, 2023

It’s like, hey buddy, turns out you are the doer.

From Slate • Jun. 28, 2023

They seek to comfort her, sick at heart as she is, by diverting the blame from her who was forced to the doer of the wrong.

From Textbooks • Apr. 19, 2023

And they distinguish both of these from semantic categories and roles like action, physical object, possessor, doer, and done-to, which refer to what the referents of the words are doing in the world.

From "The Sense of Style" by Steven Pinker