Levelheaded
Levelheaded adjective - Based on sound reasoning or information.
Serious and levelheaded are semantically related. In some cases you can use "Serious" instead an adjective "Levelheaded".
Serious
Serious adjective - Not joking or playful in mood or manner.
Levelheaded and serious are semantically related. Sometimes you can use "Levelheaded" instead an adjective "Serious".
Nearby Words: seriously, seriousness
Mutual synonyms
Both words in one sentence
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Mario is more levelheaded and serious, while Luigi is the quirky, cowardly sidekick, who's often the butt of the jokes.
Source: Video Game / Mario & Luigi -
The Team Mom of the Nordics is Sweden: he's levelheaded, serious, good at woodcrafts, and has even adopted two child micronations (Sealand and Ladonia).
Source: Team Mom -
Very rarely he shows hidden levelheaded leader traits, but only when the situation is serious enough to call for it.
Source: The Leader aka: Leader
Cite this Source
Serious and Levelheaded. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/levelheaded/serious
Levelheaded & Serious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/levelheaded/serious>.
Serious or Levelheaded. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/levelheaded/serious.
Google Ngram Viewer shows how "levelheaded" and "serious" have occurred on timeline