Doubt and Niggle

Doubt

Doubt noun - A feeling or attitude that one does not know the truth, truthfulness, or trustworthiness of someone or something.
Usage example: from the beginning I had my doubts about the investment scheme

Niggle and doubt are semantically related. (British) In some cases you can use "Niggle" instead a noun "Doubt".

Niggle

Niggle verb - To make often peevish criticisms or objections about matters that are minor, unimportant, or irrelevant.

Doubt and niggle are semantically related. Sometimes you can use "Doubt" instead a noun "Niggle".
Cite this Source
Niggle and Doubt. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/doubt/niggle
Doubt & Niggle. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/doubt/niggle>.
Niggle or Doubt. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/doubt/niggle.
Google Ngram Viewer shows how "doubt" and "niggle" have occurred on timeline