lightweight

The word “lightweight” means a boxing (or similar combat sport) weight class between welterweight and featherweight, or a competitor in it. In plain terms, something (or someone) with little weight, seriousness, or staying power — used for boxing classes, low-key software, or a person who can't hold their drink.

“Lightweight” is pronounced LYT-wayt (/ˈlaɪt.weɪt/ in IPA).

Here is “lightweight” used in a sentence: “He won the world title in the lightweight division.”

Depending on how it is used, “lightweight” can be a noun and an adjective.

“Lightweight” is an uncommon word in modern English.

“Lightweight” has 5 distinct senses listed in this dictionary. The most common is: a boxing (or similar combat sport) weight class between welterweight and featherweight, or a competitor in it.

"Lightweight" is a specific boxing weight class that sits between welterweight and featherweight, meaning lightweight boxers weigh less than welterweights but more than featherweights. Each class defines a maximum weight limit for fair competition.

Informally, calling someone a "lightweight" can mean they get drunk very easily or have little stamina for a task. It can also mean someone is of little importance or influence in a given field.

"Lightweight" describes something that weighs less than average or is simple and low-impact, while "heavy-duty" describes something built to withstand hard, demanding use. The two are near-opposites when applied to equipment or materials.

Not necessarily — as an adjective it can neutrally describe something simple or low-impact, but as a noun applied to a person it often carries a negative connotation, suggesting they lack seriousness, ability, or influence.