Doubt
Doubt noun - A feeling or attitude that one does not know the truth, truthfulness, or trustworthiness of someone or something.
Weak knees and doubt are semantically related. In some cases you can use "Weak knees" instead a noun "Doubt".
Weak knees
Doubt and weak knees are semantically related. Sometimes you can use "Doubt" instead a noun phrase "Weak knees".
Mutual synonyms
Cite this Source
Weak knees and Doubt. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/doubt/weak_knees
Doubt & Weak knees. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/doubt/weak_knees>.
Weak knees or Doubt. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/doubt/weak_knees.
Google Ngram Viewer shows how "doubt" and "weak knees" have occurred on timeline