lengthens

词形变化：

名词: lengthener | 动词过去式: lengthened | 动词过去分词: lengthened | 动词现在分词: lengthening | 动词第三人称单数: lengthens |

同义词：

extend | stretch | elongate | prolong | draw out | grow | increase | pull out | drag out | continue | amplify | aggrandize | draw | out |

反义词：

shorten |