Inthispaper,thestabilityofacubicfunctionalequationinthesettingofintuitionisticrandomnormedspacesisproved.Wefirstintroducethenotationofintuitionisticrandomnormedspaces.Then,byvirtueofthisnotation,westudythestabilityofacubicfunctionalequationinthesettingofthesespacesunderarbitrarytrianglenorms.Furthermore,wepresenttheinterdisciplinaryrelationamongthetheoryofrandomspaces,thetheoryofintuitionisticspaces,andthetheoryoffunctionalequations.
