Security definition

Security as a noun

1. the state of being free from danger or injury

   "we support the armed services in the name of national security"

2. defense against financial failure; financial independence

   "his pension gave him security in his old age"

   Same sense: protection

3. freedom from anxiety or fear

   "the watch dog gave her a feeling of security"

4. a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends

   Same sense: certificate

5. property that your creditor can claim in case you default on your obligation

   "bankers are reluctant to lend without good security"

   Same sense: surety

6. a department responsible for the security of the institution's property and workers

   "the head of security was a former policeman"

   Same sense: security department

7. a guarantee that an obligation will be met

   Same sense: surety

8. an electrical device that sets off an alarm when someone tries to break in

   Same sense: security system, security measure

9. measures taken as a precaution against theft or espionage or sabotage etc.

   "military security has been stepped up since the recent uprising"

   Same sense: security measures

Synonyms and antonyms

• protection
• certificate
• surety
• security department
• security system
• security measure
• security measures

Opposite: insecurity.

How to say security

Security has 4 syllables and rhymes with maturity. Syllable counts and rhymes come from the CMU Pronouncing Dictionary.

Words that rhyme with security

• maturity
• purity
• obscurity
• surety
• impurity

SECURITY in word games

Scrabble

13

Words With Friends

14

Anagrams

0

Is SECURITY a valid Scrabble word? Yes, it is in the ENABLE list most word games use. Check SECURITY in the word checker, or unscramble SECURITY to see the shorter words in its letters.