Knocker
Knocker noun - A person given to harsh judgments and to finding faults.
Usage example: the secretary of defense needs supporters, not knockers, to get through this crisis
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Synonyms for Knocker
Niggler and knocker are semantically related. In some cases you can use "Niggler" instead a noun "Knocker".
Niggler
Niggler noun - A person given to harsh judgments and to finding faults.
Usage example: you can't pay attention to every niggler, simply because you can't please every one
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Synonyms for Niggler
Mutual synonyms
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Cite this Source
Niggler and Knocker. (2016). Retrieved 2026, July 27, from https://thesaurus.plus/related/knocker/niggler
Knocker & Niggler. N.p., 2016. Web. 27 Jul. 2026. <https://thesaurus.plus/related/knocker/niggler>.
Niggler or Knocker. 2016. Accessed July 27, 2026. https://thesaurus.plus/related/knocker/niggler.
Google Ngram Viewer shows how "knocker" and "niggler" have occurred on timeline