The Chinese word **旺盛** is a compound formed by combining two characters with similar meanings to intensify and reinforce the concept of vigorous vitality. The first character, **旺** (wàng), primarily means "prosperous," "flourishing," or "vigorous" (often associated with thriving fire or business). The second character, **盛** (shèng), means "abundant," "flourishing," or "in great quantity" (as in a prosperous era or full bloom). When paired, they create a single, powerful adjective that describes something—such as energy, morale, or growth—as being exceedingly strong, lively, and flourishing. This formation follows the common Chinese lexical pattern of **synonym compounding**, where two near-synonyms unite to express a more robust and nuanced single idea.