invalidating

词形变化：

名词: invalidation | 动词过去式: invalidated | 动词过去分词: invalidated | 动词现在分词: invalidating | 动词第三人称单数: invalidates |

同义词：

annul | cancel | nullify | quash | overturn | undo | overthrow | undermine | refute | abrogate | countermand | discredit | revoke | repeal | void | avoid | vitiate |

反义词：

validate |