Expressing disapproval is a common way to show disapproval or dissatisfaction with something. The crossword solutions for this term are TSKS (4 letters), BOOS (4 letters), HOOTS (5 letters), TUTS (4 letters), SNARLS (6 letters), and PSHAWS (6 letters). TSKS is an expression of disapproval that is made by clicking the tongue against the roof of the mouth. BOOS is a loud, negative reaction from a crowd. HOOTS is a loud, mocking sound made to express disapproval. TUTS is a sound made to express disapproval or disappointment. SNARLS is a low, threatening growl used to express anger or disapproval. PSHAWS is an expression of contempt or disapproval.