squealing squea·ling US/ˈskwilɪŋ/ fairly common adjective 1. having or making a high-pitched sound such as that made by a mouse or a rusty hinge Synonymsscreakyscreechysqueakingsqueaky Similarhigh WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.