frolicsome /ˈfrɒlɪksəm/ adjective1 •Characterised or marked by frolicking; playful.A rollicksome frolicsome rare old cock / As ever did nothing was our dog Jock; / A gleesome fleasome affectionate beast, / As slow at a fight, as swift at a feast […] — 1884 formsmore frolicsome · most frolicsome