noun se·cu·ri·ty \si-ˈkyu̇r-ə-tē\
: the state of being protected or safe from harm
: things done to make people or places safe
: the area in a place (such as an airport) where people are checked to make sure they are not carrying weapons or other illegal materials
: the quality or state of being secure: as
a : freedom from danger : safety
b : freedom from fear or anxiety
c : freedom from the prospect of being laid off <job security>
a : something given, deposited, or pledged to make certain the fulfillment of an obligation
b : surety
: an instrument of investment in the form of a document (as a stock certificate or bond) providing evidence of its ownership
a : something that secures : protection
b (1) : measures taken to guard against espionage or sabotage, crime, attack, or escape (2) : an organization or department whose task is security
defined for English-language learners
Examples of SECURITY
- We must insure our national security.
- The college failed to provide adequate security on campus after dark.
- There was a lapse in security and the inmates escaped.
- We have to go through security at the airport.
- We called security when we found the door open.
- The meeting was held under tight security.
- The prisoner was being kept under maximum security.
- I like the security of knowing there will be someone there to help me when I need help.
- Growing up in a close family gave her a sense of security.
First Known Use of SECURITY
Related to SECURITY
- aegis (also egis), ammunition, armor, buckler, cover, guard, protection, safeguard, screen, defense, shield, wall, ward
- danger, distress, endangerment, imperilment, jeopardy, peril, trouble
: the state of being safe : safety <national security>
: freedom from worry or anxiety <financial security>
: something given as a pledge of payment <He gave security for a loan.>
: something (as a stock certificate) that is evidence of debt or ownership
: freedom from fear or anxiety <need for security dates back into infancy—K. C. Garrison>
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