necessary

necessary

形容词比较级：more necessary

形容词最高级：most necessary

名词复数：necessaries

词形变化：

名词复数: necessaries |

同义词：

essential | needed | required | obligatory | compulsory | indispensable | important | exigent | compelling | urgent | imperative | basic | vital | necessity | imperious | pressing | desired | significant | crucial | de rigueur | necessitous | mandatory | requisite | requirement |

反义词：

unnecessary |

词义辨析：

同义:

a.必要的, 必需的

required  compulsory  urgent  important  obligatory  compelling  needed  essential  exigent  imperative  

同义参见:

vital  indispensable  imperious  significant  basic  pressing  necessity  desired  

反义:

a.必要的, 必需的

unnecessary  needless