intertriginous /ɪntə(ɹ)ˈtɹɪdʒɪnəs/ adjective1 •Of, relating to, affected by, or predisposed to intertrigo.Intertriginous areas include the armpit, the upper thighs and genitals, skin folds of the breasts, and between fingers and toes. formsmore intertriginous · most intertriginous