What is the meaning of Lightweight?

A particular weight class, or member of such, as prescribed by the rules, between that of the heavier welterweight and the lighter featherweight. See Wikipedia for the specifics of each sport.

A particular weight category as prescribed by the rules, separate from an open or heavyweight class.

A competitive weight division as prescribed by the rules, between the heavier middleweight and the lighter featherweight.

One of little consequence or ability.

A person who cannot handle their drink; one who gets drunk on very little alcohol.

  1. A person with low endurance.

A person with low endurance.

A political candidate with little chance of winning.

Lacking in earnestness, ability, or profundity.

Having less than average weight.

Lacking in strength.

Having a small footprint or performance impact.

To reduce the amount or weight of.

Source: wiktionary.org