follow Dictionary.com

Stories We Like: Novels For Language Lovers

lightweight

[lahyt-weyt] /ˈlaɪtˌweɪt/
adjective
1.
2.
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.
3.
without seriousness of purpose; trivial or trifling:
lightweight reading.
4.
of or pertaining to a lightweight:
He's the new lightweight contender.
5.
(of a horse, especially a hunter) able to carry up to 165 pounds (75 kg).
noun
6.
a person of less than average weight.
7.
Informal. a person who is of little influence, importance, or effect.
8.
a boxer or other contestant intermediate in weight between a featherweight and a welterweight, especially a professional boxer weighing between 126 and 135 pounds (56.7–61 kg).
Origin
1765-1775
1765-75; light2 + weight
Related forms
ultralightweight, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for ultra-lightweight

lightweight

/ˈlaɪtˌweɪt/
adjective
1.
of a relatively light weight
2.
not serious; trivial
noun
3.
a person or animal of a relatively light weight
4.
  1. a professional boxer weighing 130–135 pounds (59–61 kg)
  2. an amateur boxer weighing 57–60 kg (126–132 pounds)
  3. (as modifier): the lightweight contender
5.
a wrestler in a similar weight category (usually 115–126 pounds (52–57 kg))
6.
(informal) a person of little importance or influence
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for ultra-lightweight

lightweight

adj.

also light-weight, 1773 in horse-racing, also in pugilism; from light (adj.1) + weight. Figurative sense of "inconsequential" first attested 1809.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Slang definitions & phrases for ultra-lightweight

lightweight

adjective

Inconsequential; unserious (1809+)

noun

: He seems like a lightweight to me, don't pay him any attention (1882+)


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
Cite This Source

Word of the Day

Difficulty index for lightweight

Many English speakers likely know this word

Word Value for ultra

5
7
Scrabble Words With Friends

Quotes with ultra-lightweight