U+5618 "嘘" CJK Unified Ideograph-# Unicode Character

U+5618 "嘘" CJK Unified Ideograph-# is a Chinese character that primarily means "hush" or "shush," used to demand silence or to express a sigh of disappointment or relief, though it can also denote breathing out slowly or a soft exhalation. In modern Mandarin, it is commonly written as the simplified character 嘘 (traditional also 噓) and appears in phrases like "嘘声" (booing) or "吹嘘" (to boast). The character is composed of the radical 口 (mouth) on the left, indicating speech or sound, and the phonetic component 虚 (empty, false) on the right. Beyond its literal meaning, it is recognized in Unicode as part of the CJK (Chinese, Japanese, Korean) Unified Ideographs block, encoded since version 1.1, and is used across East Asian languages with similar functions in writing and communication.