WordReference Random House Learner's Dictionary of American English © 2023light•weight /ˈlaɪtˌweɪt/USA pronunciation
adj.
- light in weight:a lightweight topcoat.
- of little importance or consequence:a lightweight novelist.
- of or relating to a lightweight boxer:the new lightweight contender.
n. [countable]
- a person of less than average weight.
- Informal Termsa person who is of little importance or consequence.
- Sporta boxer weighing up to 135 lb. (61 kg).
Collins Concise English Dictionary © HarperCollins Publishers::
lightweight /ˈlaɪtˌweɪt/ adj - of a relatively light weight
- not serious; trivial
n - a person or animal of a relatively light weight
- a professional boxer weighing 130–135 pounds (59–61 kg)
- an amateur boxer weighing 57–60 kg (126–132 pounds)
- a wrestler in a similar weight category (usually 115–126 pounds (52–57 kg))
- informal a person of little importance or influence
WordReference Random House Unabridged Dictionary of American English © 2023light′ weight′, [Naut.]
- Nautical, Naval TermsSee light displacement.
light•weight
(līt′wāt′),USA pronunciation adj.
- light in weight.
- 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.
- without seriousness of purpose;
trivial or trifling:lightweight reading.
- of or pertaining to a lightweight:He's the new lightweight contender.
- Sport(of a horse, esp. a hunter) able to carry up to 165 lb. (75 kg).
n.
- a person of less than average weight.
- Informal Termsa person who is of little influence, importance, or effect.
- Sporta boxer or other contestant intermediate in weight between a featherweight and a welterweight, esp. a professional boxer weighing between 126 and 135 lb. (56.7–61 kg).
'lightweight' also found in these entries (note: many are not synonyms or translations):