do-gooder

[doo-good-er, -good-]

noun

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

do-gooder

noun

1. informal,  a well-intentioned person, esp a naive or impractical one

Other Word Forms

• do-gooding noun
• do-goodery noun

Word History and Origins

Origin of do-gooder¹

1925–30, do good + -er ¹