Be unhappy
Grieve and be unhappy are semantically related. In some cases you can use "Grieve" instead a verb phrase "Be unhappy".
Grieve
Grieve verb - To feel deep sadness or mental pain.
Mutual synonyms
Cite this Source
Grieve and Be unhappy. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/be_unhappy/grieve
Be unhappy & Grieve. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/be_unhappy/grieve>.
Grieve or Be unhappy. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/be_unhappy/grieve.
Google Ngram Viewer shows how "be unhappy" and "grieve" have occurred on timeline