lacks

词形变化：

动词过去式: lacked | 动词过去分词: lacked | 动词现在分词: lacking | 动词第三人称单数: lacks |

同义词：

require | want | need | scarceness | unavailability | be short of | want for | absence | shortage | scarcity | deprivation | drought | starvation | dearth | famine | defection | poverty | fall short | short | fall | deficiency | miss |

反义词：

fill |