Concerned
Uncertain
Uncertain adjective - Likely to change frequently, suddenly, or unexpectedly.
Concerned and uncertain are semantically related. Sometimes you can use "Concerned" instead an adjective "Uncertain".
Nearby Words: uncertainty, uncertainly
Both words in one sentence
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He is uncertain if Cara's mother Martha was his child, or the child of someone Ivy met on Earth; either way, as far as he's concerned, any grandchild of Ivy's is his as well.
Source: Luke, I Might Be Your Father -
He confesses to the High Priestess of Mount Seleya herself that his logic is "uncertain" where his son is concerned.
- Turn Out Like His Father: "So like your father, you changed the rules." Understatement: As befits a race who habitually understates, Sarek's line, when asked about his intentions to reunite Spock's mind and body, is to say that his "logic is uncertain where [his] son is concerned".
Cite this Source
Uncertain and Concerned. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/concerned/uncertain
Concerned & Uncertain. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/concerned/uncertain>.
Uncertain or Concerned. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/concerned/uncertain.
Google Ngram Viewer shows how "concerned" and "uncertain" have occurred on timeline