efficient

efficient

形容词比较级：more efficient

形容词最高级：most efficient

词形变化：

副词: efficiently |

同义词：

effective | effectual | economical | competent | capable | able | active | potent | efficacious | operant | powerful | operative | valid | productive | thrifty | saving | workmanlike | qualified | expeditious | practical | technical | experienced | accomplished | well-organized | resourceful | proficient | professional | inexpensive | timesaving | labour-saving | laborsaving | cost-effective |

反义词：

inefficient |

词义辨析：

同义:

a.有效的

efficacious  effectual  effective  valid  active  operative  operant  potent  powerful  productive  

a.有能力的, 能胜任的

competent  qualified  capable  workmanlike  able  

a.效率高的

economical  thrifty  saving  

同义参见:

experienced  expeditious  practical  accomplished  technical  

反义:

a.效率高的; 有能力的

inefficient