security
8 ENTRIES FOUND:
plural
securities
plural
securities
Britannica Dictionary definition of SECURITY
1
[noncount]
a
:
the state of being protected or safe from harm
— often used before another noun
-
We must insure our national security.
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an electronic security system
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random security checks
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security measures
b
:
things done to make people or places safe
-
The college failed to provide adequate security on campus after dark.
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increased security at airports
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There was a lapse in security and the inmates escaped.
c
:
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
-
We have to go through security at the airport.
d
:
the part of a company or other organization that provides protection for workers, equipment, etc.
-
We called security when we found the door open.
2
[noncount]
:
the state of being closely watched or guarded
-
The meeting was held under tight security.
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The prisoner was being kept under maximum security.
3
[noncount]
:
the state of being free from anxiety or worry
:
the state of being or feeling secure
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financial security
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She is concerned about job security. [=about the possibility of losing her job]
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I like the security of knowing there will be someone there to help me when I need help.
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Growing up in a close family gave her a sense of security.
4
[count]
a
:
something given as proof of a promise to make a payment later
-
security for a loan
b
:
a document showing that someone owns or has invested in a company, organization, etc.
-
government securities
