Lose heart
Sulk and lose heart are semantically related. in pout topic. In some cases you can use "Sulk" instead a verb phrase "Lose heart".
Sulk
Sulk verb - To silently go about in a bad mood.
Mutual synonyms
Cite this Source
Sulk and Lose heart. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/lose_heart/sulk
Lose heart & Sulk. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/lose_heart/sulk>.
Sulk or Lose heart. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/lose_heart/sulk.
Google Ngram Viewer shows how "lose heart" and "sulk" have occurred on timeline