lightweight

Everyday

1. Lightweight means not heavy, weighing less than usual. tree →
2. (sport) A lightweight is a boxer or other fighter in a lighter weight class. tree →
3. (informal, insult) A lightweight is a person who is not important, serious or able to handle much, like someone who gets tired easily. tree →

In the lessons

Everyday: «a lightweight jacket», «lightweight bike». Sport: boxing and rowing weight classes. Talk: «Don't be a lightweight!» (teasing). Science: lightweight materials like aluminium.

Examples

• This lightweight jacket is good for spring. tree →
• Aluminium is a lightweight metal. tree →
• He boxes as a lightweight. tree →
• Pack lightweight clothes for camping. tree →
• «You're such a lightweight!» she teased when he went to bed early. tree →
• The plane is built from lightweight materials. tree →

Note

One word. Plural: lightweights. Opposite: heavyweight. As a teasing insult it is informal.