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security
[ si-kyoor-i-tee ]
noun
- freedom from danger, risk, etc.; safety.
- freedom from care, anxiety, or doubt; well-founded confidence.
Synonyms: positiveness, certainty, assurance
- something that secures or makes safe; protection; defense.
- freedom from financial cares or from want:
The insurance policy gave the family security.
- precautions taken to guard against crime, attack, sabotage, espionage, etc.:
claims that security was lax at the embassy;
the importance of computer security to prevent hackers from gaining access.
- a department or organization responsible for protection or safety:
He called security when he spotted the intruder.
- protection or precautions taken against escape; custody:
The dangerous criminal was placed under maximum security.
- an assurance; guarantee.
- Law.
- something given or deposited as surety for the fulfillment of a promise or an obligation, the payment of a debt, etc.
- one who becomes surety for another.
- an evidence of debt or of property, as a bond or a certificate of stock.
- Usually securities. stocks and bonds.
- Archaic. overconfidence; cockiness.
adjective
- of, relating to, or serving as security:
The company has instituted stricter security measures.
security
/ sɪˈkjʊərɪtɪ /
noun
- the state of being secure
- assured freedom from poverty or want
he needs the security of a permanent job
- a person or thing that secures, guarantees, etc
- precautions taken to ensure against theft, espionage, etc
the security in the government offices was not very good
- often plural
- a certificate of creditorship or property carrying the right to receive interest or dividend, such as shares or bonds
- the financial asset represented by such a certificate
- the specific asset that a creditor can claim title to in the event of default on an obligation
- something given or pledged to secure the fulfilment of a promise or obligation
- a person who undertakes to fulfil another person's obligation
- the protection of data to ensure that only authorized personnel have access to computer files
- archaic.carelessness or overconfidence
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Other Words From
- nonse·curi·ty noun plural nonsecurities
- over·se·curi·ty noun
- self-se·curi·ty noun
- subse·curi·ty noun plural subsecurities
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Word History and Origins
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Idioms and Phrases
In addition to the idiom beginning with security , also see lull into (false sense of security) .Advertisement
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Related Words
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
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