nonserious en · ADJ
Etymology
Etymology tree English non- Proto-Indo-European *seh₁- Proto-Indo-European *-rós Proto-Italic *sēros Latin sērus Proto-Indo-European *-(i)yós Proto-Italic *-ijos Proto-Italic *-ios Old Latin -ios Latin -ius ? Proto-Indo-European *swer- Proto-Indo-European *-yós Proto-Italic *swerjos? Latin sērius Proto-Indo-European *h₃ed- Proto-Indo-European *-os Proto-Indo-European *h₃édosder.? Proto-Italic *-ŏ̄dsos? Old Latin -ōssus Latin -ōsus Medieval Latin sēriōsus Old French serieuxbor. Middle English seryows English serious English nonserious From non- + serious.
Meanings
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(not-comparable) Not serious.
Very rare and life-threatening disorders[…] can start with a common, nonserious symptom.
2007 July 11, “The Art and Science of Diagnosis (4 Letters)”, in New York Times: