A jacket of thin material is an example of something that would be described as lightweight.
A newspaper with little substance or actual news is an example of something that would be described as lightweight.
A person who weighs only 90 pounds is an example of a lightweight.
A boxing category for amateur boxers between 125 and 135 pounds is an example of lightweight.
A person in politics who actually has very little political influence is an example of a lightweight.
Lightweight clothing; a lightweight wood.
The lightweight title.
A lightweight intellect.