The meaning of LIGHTWEIGHT is one of less than average weight; specifically : a boxer in a weight division having a maximum limit of 135 pounds for professionals and 132 pounds for amateurs. How …

LIGHTWEIGHT meaning: 1. weighing only a little or less than average: 2. not showing deep understanding or knowledge of…. Learn more.

LIGHTWEIGHT definition: light in weight. See examples of lightweight used in a sentence.

1. Weighing relatively little; not heavy: lightweight clothing; a lightweight wood. 2. Sports Of, relating to, or characteristic of a lightweight: the lightweight title. 3. Having no significance or influence: a …

being lighter in weight, texture, etc., than another item or object of identical use, quality, or function: a lightweight topcoat; a lightweight alloy for ship construction.

Nov 18, 2025 · lightweight (plural lightweights) (combat sports) A particular weight class, or member of such, as prescribed by the rules, between that of the heavier welterweight and the lighter featherweight.

If you describe someone as a lightweight, you are critical of them because you think that they are not very important or skilful in a particular area of activity.