light·weight 
/ˈlaɪtˌweɪt/ noun
plural light·weights /ˈlaɪtˌweɪt/ noun [count] 1 : a fighter who is in a class of boxers weighing from 125 to 132 pounds (57 to 60 kilograms) — often used before another noun ▪ a lightweight boxer ▪ He won the lightweight title. 2 : someone or something that does not weigh as much as others — usually used before another noun ▪ lightweight paper ▪ lightweight cotton/wool/silk ▪ a lightweight jacket 3 : someone or something that has little importance or power
▪ The members of his staff were considered lightweights. ▪ an intellectual lightweight — often used before another noun ▪ He was dismissed as a lightweight artist. ▪ They asked her several lightweight questions.
▪ The members of his staff were considered lightweights. ▪ an intellectual lightweight — often used before another noun ▪ He was dismissed as a lightweight artist. ▪ They asked her several lightweight questions.
