The term 'more robust' can be defined as having greater strength or durability. This term can be broken down into seven different crossword solutions: haler (5 letters), huskier (7 letters), STURDIER (8 letters), heartier (8 letters), hardier (7 letters), hier (4 letters), and stouter (7 letters), STRONGER (8 letters). Haler means healthier, huskier means more muscular, STURDIER means more solid, heartier means more energetic, hardier means tougher, hier means higher, stouter means thicker, and STRONGER means more powerful. All of these words describe something that is more robust, meaning it has greater strength or durability.