Serious
Serious adjective - Not joking or playful in mood or manner.
Unsentimental and serious are semantically related In some cases you can use "Unsentimental" instead an adjective "Serious".
Nearby Words: seriously, seriousness
Unsentimental
Unsentimental adjective - Facing facts or difficulties realistically and with determination.
Serious and unsentimental are semantically related in realistic topic. Sometimes you can use "Serious" instead an adjective "Unsentimental".
Mutual synonyms
Both words in one sentence
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Unbuilt Trope is when a work uses a trope in a serious, unsentimental way before the trope is popularized, and so ends up looking like a Deconstruction in retrospect.
Source: Square Peg, Round Trope -
They're both incredibly smart girls, but Mary is more Literal-Minded, she's very serious, unsentimental, and unromantic, especially after she goes blind.
Cite this Source
Unsentimental and Serious. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/serious/unsentimental
Serious & Unsentimental. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/serious/unsentimental>.
Unsentimental or Serious. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/serious/unsentimental.
Google Ngram Viewer shows how "serious" and "unsentimental" have occurred on timeline