1 made of thinner material and less heavy than usual:
lightweight jackets / boots * a lightweight aluminium engine
2 (disapproving) not very serious or impressive:
a lightweight book * He was considered too lightweight for the job.
词性: noun
1 a boxer weighing between 57 and 61 kilograms, heavier than a FEATHERWEIGHT:
a lightweight champion
2 a person or thing that weighs less than is usual
3 (informal, disapproving) a person or thing of little importance or influence:
a political lightweight * He's an intellectual lightweight (= he does not think very deeply or seriously).
