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Synonyms

security

American  
[si-kyoor-i-tee] / sɪˈkyʊər ɪ ti /

noun

plural

securities
  1. freedom from danger, risk, etc.; safety.

  2. freedom from care, anxiety, or doubt; well-founded confidence.

    Synonyms:
    positiveness, certainty, assurance
  3. something that secures or makes safe; protection; defense.

    Synonyms:
    safety, safeguard
  4. freedom from financial cares or from want.

    The insurance policy gave the family security.

  5. 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.

  6. a department or organization responsible for protection or safety.

    He called security when he spotted the intruder.

  7. protection or precautions taken against escape; custody.

    The dangerous criminal was placed under maximum security.

  8. an assurance; guarantee.

  9. Law.

    1. something given or deposited as surety for the fulfillment of a promise or an obligation, the payment of a debt, etc.

    2. one who becomes surety for another.

  10. an evidence of debt or of property, as a bond or a certificate of stock.

  11. Usually securities. stocks and bonds.

  12. Archaic. overconfidence; cockiness.


adjective

  1. of, relating to, or serving as security.

    The company has instituted stricter security measures.

security British  
/ sɪˈkjʊərɪtɪ /

noun

  1. the state of being secure

  2. assured freedom from poverty or want

    he needs the security of a permanent job

  3. a person or thing that secures, guarantees, etc

  4. precautions taken to ensure against theft, espionage, etc

    the security in the government offices was not very good

  5. (often plural)

    1. a certificate of creditorship or property carrying the right to receive interest or dividend, such as shares or bonds

    2. the financial asset represented by such a certificate

  6. the specific asset that a creditor can claim title to in the event of default on an obligation

  7. something given or pledged to secure the fulfilment of a promise or obligation

  8. a person who undertakes to fulfil another person's obligation

  9. the protection of data to ensure that only authorized personnel have access to computer files

  10. archaic carelessness or overconfidence

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

security Idioms  

    More idioms and phrases containing security

    • lull into (false sense of security)

Other Word Forms

  • nonsecurity noun
  • oversecurity noun
  • self-security noun
  • subsecurity noun

Etymology

Origin of security

First recorded in 1400–50; late Middle English securytye, securite(e), from Latin sēcūritās; secure, -ity

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It said the pause would provide time to work with states and developers to mitigate security risks identified by the Defense Department in “recently completed classified reports.”

From The Wall Street Journal

Turkish security forces found the wreckage of the aircraft near a village, less than 40 miles southwest of the capital, the interior minister said.

From The Wall Street Journal

Almost half of those put to death as of the end of November were convicted of drug-related offences, while 53 were convicted of national security offences, the Norway-based group said.

From BBC

This would help "strengthen the national defence system and support security and stability in Syria and the region", the report said.

From Barron's

The wreckage of their Falcon 50 aircraft was located by Turkish security personnel in the Haymana district near Ankara, Turkish Interior Minister Ali Yerlikaya said.

From Barron's