一致 (yī zhì) is an adjective meaning 'unanimous' or 'consistent' — describing a state where opinions, actions, results, or appearances fully agree or match without contradiction. The first character 一 (yī) means 'one', and 致 (zhì) here carries the sense of 'to reach', 'to achieve', or 'to bring about'. Together, they literally suggest 'reaching one [shared] point' — emphasizing unity of thought or alignment across people or things.

This word is commonly used in formal and semi-formal contexts: meetings, reports, academic discussions, or everyday situations involving agreement among people (e.g., team decisions) or consistency over time or across instances (e.g., data, standards, or behavior). It often appears after subjects like 意见 (opinions), 结果 (results), 或 态度 (attitude), and frequently pairs with verbs like 达成 (to reach), 保持 (to maintain), or 表现 (to show). It’s rarely used alone as a standalone noun — it functions primarily as a predicate or attributive adjective.