Meanings
adverbsinseriously (comparative more sinseriously, superlative most sinseriously)
comparative more sinseriously · superlative most sinseriously · alternative sinceriously
- humorousnonstandardrareBoth sincerely and seriously.
Origin
Cite this entry
APA
sinseriously. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sinseriously
MLA
“sinseriously.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sinseriously. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “sinseriously,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sinseriously.
Source: sinseriously on Wiktionary, CC BY-SA 4.0.