sēriō adv.
serius, in earnest, seriously : haec dicere, T.: Triumphat, in all sincerity , T.: res vix serio agenda, L.
sērĭō, adv., v. serius fin. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
·adj ·Alt. of Serio-comical. ...
Webster's Dictionary of the English Language
·adj Having a mixture of seriousness and sport; serious and comical. ...