大满贯 dàmǎnguàn grand slam Definitions Defs Origin Strokes Stroke Words Sentences Sents 大 dà adjective big big; large; great; vast; high in scale or intensity; (of a person) old; adult满贯 滿貫 mǎnguàn grand slam To win every championship in a sport within a single year or to win every trick in a card game