正大光明 zhèngdàguāngmíng open and aboveboard Definitions Defs Origin Strokes Stroke Words Sentences Sents 正大 zhèngdà adjective upright upright and honest; fair and unbiased without any selfishness光明 guāngmíng adjective openhearted openhearted; guileless; honorable and upright; free from secrecy or selfishness