Serious
Serious adjective - Not joking or playful in mood or manner.
Tongue-in-cheek is an antonym for serious.
Nearby Words: seriously, seriousness
Tongue-in-cheek
Tongue-in-cheek adjective - Cleverly amusing in tone.
Serious is an antonym for tongue-in-cheek in ironic and insincere topic.
Both words in one sentence
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Accounts on her Twitter feed that she follows and YouTube videos she favorites show a fascination with the South (serious or tongue-in-cheek).
Source: Deep South -
Shown Their Work: For all their tongue-in-cheek humour, the Flashman novels are based on a lot of serious historical research by the author.
Source: Literature / Flashman -
White Wolf tabletop RPG books mostly contain some serious though tongue-in-cheek examples.
Source: Our Lawyers Advised This Trope
Cite this Source
Tongue-in-cheek and Serious. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/serious/tongue-in-cheek
Serious & Tongue-in-cheek. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/serious/tongue-in-cheek>.
Tongue-in-cheek or Serious. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/serious/tongue-in-cheek.