do-gooder

[ doo-goo d-er, -goo d- ]
/ ˈduˈgʊd ər, -ˌgʊd- /

noun

a well-intentioned but naive and often ineffectual social or political reformer.

Origin of do-gooder

1925–30, Americanism; do good + -er1

Example sentences from the Web for do-gooder

British Dictionary definitions for do-gooder

do-gooder

noun

informal, usually derogatory a well-intentioned person, esp a naive or impractical one

Derived forms of do-gooder

do-goodery, noun do-gooding, noun, adjective