ADJ [usually ADJ n]被吹嘘的;被过分夸耀的 If you describe something as vaunted or much vaunted, you mean that people praise it more than it deserves. 被吹嘘的;被过分夸耀的 [formal]
Its vaunted security procedures hadn't worked.
它那套被大肆吹嘘的安保程序并没有发挥作用。
Simpson's much vaunted discoveries are in fact commonplace in modern sociology.