Focus on the pronunciation of groupthink
English definition of “groupthink”
/ˈɡruːpθɪŋk/ noun [U] (also group think) MEETINGS, MANAGEMENT
› the process in which bad decisions are made by a group because its members do not want to express opinions, suggest new ideas, etc. that others may disagree with: Most of us thought the product wouldn't sell, but nobody told the boss – that's the danger of group think.