Oxford Dictionary English thinking cap nounnoun BrE BrE//ˈθɪŋkɪŋ kæp// ; NAmE NAmE//ˈθɪŋkɪŋ kæp// jump to other resultsIdioms put your thinking cap on jump to other results(informal) to try to solve a problem by thinking about itSee thinking cap in the Oxford Advanced American DictionaryCheck pronunciation: thinking cap oxfordlearnersdictionaries.com
