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An officious meddler whose interference compromises the success of an undertaking.

[After Marplot, , a character in The Busy Body, a play by Susannah Centlivre (1669-1723).]


a person who interferes with, or spoils, a plot or plan



a person who spoils a plot, design, or project by meddling.


- A person who spoils a plot or who ruins the success of an undertaking or process.
See also related terms for success.
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References in classic literature ?
A restless movement from Laurie suggested that his chair was not easy, or that he did not like the plan, and made the old man add hastily, "I don't mean to be a marplot or a burden.
Consequently, when the Reverend Frank had willingly engaged that he and his wife would accompany Lightwood back, he said, as a matter of course: 'We must make haste to get out, Margaretta, my dear, or we shall be descended on by Mrs Sprodgkin.' To which Mrs Milvey replied, in her pleasantly emphatic way, 'Oh YES, for she IS such a marplot, Frank, and DOES worry so!' Words that were scarcely uttered when their theme was announced as in faithful attendance below, desiring counsel on a spiritual matter.
('Which you haven't, you Marplot,' observed my aunt, in an indignant whisper.)