The term DISAPPROVING EXPRESSION can be summarized as a phrase or gesture that conveys disapproval or criticism. It is often used to express dissatisfaction, disappointment, or disapproval of someone's actions or words. The crossword solution for this term is REPROACH, which is an act of expressing strong disapproval or criticism. It is usually done in a direct and forceful manner, and is often accompanied by a look or gesture of disapproval.