in·gra·ves·cent \| ̷ ̷ ̷ ̷|vesənt\adjective Etymology: Latin ingravescent-, ingravescens, present participle of ingravescere to become heavier, to become worse, from in- in- (II) + gravescere to become heavy, from gravis heavy, severe — more at grieve : gradually increasing in severity < ingravescent disease > < ingravescent abnormality of function >