Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “lighten sth up”

See all translations

lighten sth up

verb uk phrasal verb with lighten   /ˈlaɪ.tən/ us    /-t̬ən/
to make a speech or piece of writing less serious: I thought I'd slip in a few jokes to lighten up the talk.
Translations of “lighten sth up”
in Chinese (Traditional) 使…輕鬆活潑,使…不那麽嚴肅…
in Chinese (Simplified) 使…轻松活泼,使…不那么严肃…
(Definition of lighten sth up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of lighten sth up?
Add Cambridge dictionaries to your browser to your website

Word of the Day

limber up

to do gentle exercises to stretch the muscles in order to prepare the body for more active physical exercise

Word of the Day

Byronic, Orwellian and Darwinian: adjectives from names.

by Liz Walter,
April 15, 2015
Becoming an adjective is a strange kind of memorial, but it is often a sign of a person having had real influence on the world. Science is full of examples, from Hippocrates, the Greek medic born around 460 BC, who gave his name to the Hippocratic Oath still used by doctors today,

Read More 

bio-inspiration noun

April 13, 2015
the adoption of patterns and structures found in nature for the purposes of engineering, manufacturing, science, etc. The MIT researchers actually aren’t the only robotics team to turn to cheetahs for bio-inspiration.

Read More