Letdown
Letdown noun - The emotion felt when one's expectations are not met.
Usage example: the museum exhibit was just so-so, and we returned home with a vague sense of letdown
Sadness
Sadness noun - A state or spell of low spirits.
Letdown and sadness are semantically related in unhappiness topic. Sometimes you can use "Letdown" instead a noun "Sadness".
Mutual synonyms
Cite this Source
Sadness and Letdown. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/letdown/sadness
Letdown & Sadness. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/letdown/sadness>.
Sadness or Letdown. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/letdown/sadness.
Google Ngram Viewer shows how "letdown" and "sadness" have occurred on timeline