froward

But in the meanwhile, for fear lest if he would wax never the better he would wax much the worse; and from gentle, smooth, sweet, and courteous, might wax angry, rough, froward, and sour, and thereupon be troublous and tedious to the world to make fair weather with; they give him fair words for the while and put him in good comfort, and let him for the rest take his own chance.