security

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security /sɪˈkjɚrəti/ noun
plural securities
security
/sɪˈkjɚrəti/
noun
plural securities
Learner's definition of SECURITY
[noncount]
: the state of being protected or safe from harm often used before another noun
: 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 part of a company or other organization that provides protection for workers, equipment, etc.
[noncount] : the state of being closely watched or guarded
[noncount] : the state of being free from anxiety or worry : the state of being or feeling secure
[count]
: something given as proof of a promise to make a payment later
: a document showing that someone owns or has invested in a company, organization, etc.
see also social security
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