Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “lightweight”

lightweight

adjective  /ˈlɑɪtˌweɪt/ us  

lightweight adjective (WITH LESS WEIGHT)

(esp. of clothes) weighing little and therefore not warm: a lightweight jacket

lightweight adjective (NOT IMPORTANT)

(of a person) of little importance, or (of ideas) created without serious thought or purpose: The movie was a lightweight comedy.

lightweight

noun [C]  /ˈlɑɪt·weɪt/ us  

lightweight noun [C] (SOMEONE OR SOMETHING NOT IMPORTANT)

a person of little importance, or an idea created without serious thought or purpose:
(Definition of lightweight from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of lightweight?
Browse related topics

You are looking at an entry to do with Not showing careful thought, but you might be interested in these topics from the Attention and care topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “lightweight” in other dictionaries

Word of the Day

hello stranger

said to a person that you know but have not seen for a long time

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

silver splicer noun

November 17, 2014
informal a person who marries in later life Newly retired and now newlywed – rise of the ‘silver splicers’ Reaching pension age becomes a trigger to tie the knot as baby-boomers begin to redefine retirement

Read More