previously

词形变化：

副词: previously | 名词: previousness |

同义词：

preceding | former | prior | earlier | one-time | past | sometime | preliminary | anterior | back | ago | foregoing | aforementioned | erstwhile | antecedent | late | premature | old |

反义词：

following |

词义辨析：

同义参见:

before

already

formerly

once