Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “lock sb up”

See all translations

lock sb up

verb uk phrasal verb with lock   /lɒk/ us    /lɑːk/
to put someone in a prison or a hospital for people who are mentally ill: Murderers should be locked up for life. After what she did, they should lock her up and throw away the key (= lock her up until she dies).
See also
(Definition of lock sb up from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of lock sb up?
Add Cambridge dictionaries to your browser to your website

Definitions of “lock sb up” in other dictionaries

Word of the Day

work out

to exercise in order to improve the strength or appearance of your body

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