security

Security means being free from danger, or feeling safe. (noun)

An example of security is when you are at home with the doors locked and you feel safe.

See security in Webster's New World College Dictionary

noun pl. securities

the state of being or feeling secure; freedom from fear, anxiety, danger, doubt, etc.; state or sense of safety or certainty
something that gives or assures safety, tranquillity, certainty, etc.; protection; safeguard
1. protection or defense against attack, interference, espionage, etc.: funds for national security
2. protection or defense against escape: a maximum-security prison
3. procedures to provide such protection or defense
an organization or department whose task is protection or safety, esp. a private police force hired to patrol or guard a building, park, or other area: if you see an intruder, call security
1. something given as a pledge of repayment, fulfillment of a promise, etc.; guarantee
2. a person who agrees to make good the failure of another to pay, perform a duty, etc.; surety
any evidence of debt or ownership; esp., a stock certificate or bond: usually used in pl.

adjective

of, designating, or serving as security: security precautions, security guard

See security in American Heritage Dictionary 4

(sĭ-kyo͝orˈĭ-tē)

noun pl. se·cu·ri·ties

Freedom from risk or danger; safety.
Freedom from doubt, anxiety, or fear; confidence.
Something that gives or assures safety, as:
a. A group or department of private guards: Call building security if a visitor acts suspicious.
b. Measures adopted by a government to prevent espionage, sabotage, or attack.
c. Measures adopted, as by a business or homeowner, to prevent a crime such as burglary or assault: Security was lax at the firm's smaller plant.
d. Measures adopted to prevent escape: Security in the prison is very tight.
Something deposited or given as assurance of the fulfillment of an obligation; a pledge.
One who undertakes to fulfill the obligation of another; a surety.
A document indicating ownership or creditorship; a stock certificate or bond.

Learn more about security

» security synonyms

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