security - definition in the Learner's Dictionary - Cambridge Dictionaries Online

Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “security”

See all translations

security

noun [U]
 
 
/sɪˈkjʊərəti/
BEING SAFE B1 the things that are done to keep someone or something safe: airport/national security a security alarmSafe and secureProtection and protectorsEnvironmental issues
SAFE SITUATION a situation in which something is not likely to fail or be lost: financial security job security Safe and secure
CONFIDENCE confidence about yourself and the situation that you are in: the security of a long-term relationship →  Opposite insecurity (insecure) Confidence and self-assuranceShowing arrogance and conceit
BORROWING something valuable that you offer to give someone when you borrow money if you cannot pay the money back →  See also social security Borrowing, lending and debt
INFORMATION the protection of information against being stolen or used wrongly or illegally: IT securityProtection and protectorsEnvironmental issues
(Definition of security from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “security” in other dictionaries

Word of the Day

cost/charge the earth

to cost, charge, etc. a lot of money

Word of the Day

The language of elections

by Liz Walter,
April 22, 2015
On May 7th, citizens of the UK will be going to the polls (having an election) to decide who will form the next government. This kind of election is known as a general election. The country is divided into 650 areas, called constituencies. Each constituency elects a member of parliament (MP) to

Read More 

dumbwalking noun

April 20, 2015
walking slowly, without paying attention to the world around you because you are consulting a smartphone He told me dumbwalking probably wouldn’t be a long-term problem.

Read More