What does "doer" mean?

Someone who does, performs, or executes; an active person, an agent.

What is a synonym for "doer"?

Common synonyms include: activist, actor, actor, agent, architect, author.

//ˈduː.ɚ// noun

noun ·Uncommon ·College level

Noun

1
Someone who does, performs, or executes; an active person, an agent.
"The doer and the thinker No allowance for the other."
2
a person who acts and gets things done wordnet

"My brother is a well doer. He was just at the wrong place at the wrong time."

From Middle English doer, doar, doere, from Old English dōere (“a doer; worker”), equivalent to do + -er.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.