Efficient engine Synonyms

Definitions for Efficient


  • (adjective) producing or capable of producing a desired result
  • (adjective) being effective without wasting time or effort or expense
  • (adjective) able to accomplish a purpose; functioning effectively

Definitions for Engine


  • (noun) a device that changes energy into mechanical motion
  • (noun) motor that converts thermal energy to mechanical work
  • (noun) a wheeled vehicle consisting of a self -propelled engine that is used to draw trains along railway tracks