- a person or thing that does something or acts in a specified manner: a doer of good
- an active or energetic person
- a thriving animal, esp a horse
WordReference Random House Learner's Dictionary of American English © 2026
do•er /ˈduɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- a person or thing that does something, esp. one who gets things done with efficiency:One of them is a talker, but the other is a doer.
do•er
(do̅o̅′ər),USA pronunciation n.
- a person or thing that does something, esp. a person who gets things done with vigor and efficiency.
- a person characterized by action, as distinguished from one given to contemplation.
- British Terms[Australian.]an amusing or eccentric person;
character.
- Middle English. See do1, -er1 1300–50
Collins Concise English Dictionary © HarperCollins Publishers::
doer /ˈduːə/ n
'doer' also found in these entries (note: many are not synonyms or translations):
authentic
- doer-upper
- effendi
- fixer-upper
- agent noun
- Boniface
- ergate
- evildoer
- faitour
- handiwork
- principal
- pseudoerysipelatous
- roost
- wrongdoer