lightweight

• light-weight

light +‎ weight

• (noun): (US) IPA^(key): /ˈlaɪt.weɪt/
• (adjective): (US) IPA^(key): /laɪtˈweɪt/

• Audio (US)

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lightweight (plural lightweights)

1. (boxing) A boxer in a weight class having a maximum limit of 135 pounds for professionals and 132 pounds for amateurs.
2. (bodybuilding) A competitive weight division between bantamweight and welterweight, with specific weights varying by organization.
3. One of little consequence or ability.
4. A person who cannot handle their drink; one who gets drunk on very little alcohol.
5. A political candidate with little chance of winning

lightweight (comparative more lightweight, superlative most lightweight)

1. Lacking in earnestness, ability, or profundity
2. Having less than average weight
3. Lacking in strength
   • 2011 September 13, Sam Lyon, “Borussia Dortmund 1 - 1 Arsenal”, in BBC‎:

     With the Gunners far too lightweight in midfield, Mikel Arteta dropped back into a deeper-lying role. This freed Yossi Benayoun to go further forward, a move that helped forge a rare Arsenal chance on 30 minutes when the Israeli released Van Persie, only for the Dutchman's snap-shot to be tipped around the post.

4. (computing) Having a small footprint or performance impact