The word **无需** is formed through the combination of the character **无 (wú)**, meaning "without" or "to lack," and the character **需 (xū)**, meaning "to need" or "necessity." Structurally, it follows a common grammatical pattern in Chinese where **无** acts as a negator to create a compound that literally means "to be without need" or "there is no necessity to." This places it in the category of a verb phrase or adverb that functions to politely and formally negate the requirement or obligation for an action, essentially serving as a more elegant or written-form equivalent to **不用 (bùyòng)**, "no need to."