Added 9 October 2026
lightweight
/ˈlaɪt.weɪt/ noun
noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about lightweight at Wordnik → Where our words come from →
- 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.
adjective
- Lacking in earnestness, ability, or profundity.
- Having less than average weight.
- Lacking in strength.
verb
Origin
From light (“not heavy”, adjective) + weight (noun).
From Wiktionary, via Kaikki.org (CC BY-SA)