Synonym: certificate, protection, security department, security measure, security measures, security system, surety. Similar words: curious, secular, prosecutor, consecutive, prosecution, minority, priority, authority. Meaning: [sɪ'kjʊrətɪ /-kjʊər-] 
n. 1. the state of being free from danger or injury 2. a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends 3. a department responsible for the security of the institution's property and workers 4. measures taken as a precaution against theft or espionage or sabotage etc. 5. defense against financial failure; financial independence 6. freedom from anxiety or fear 7. an electrical device that sets off an alarm when someone tries to break in 8. property that your creditor can claim in case you default on your obligation 9. a guarantee that an obligation will be met.
n. 1. the state of being free from danger or injury 2. a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends 3. a department responsible for the security of the institution's property and workers 4. measures taken as a precaution against theft or espionage or sabotage etc. 5. defense against financial failure; financial independence 6. freedom from anxiety or fear 7. an electrical device that sets off an alarm when someone tries to break in 8. property that your creditor can claim in case you default on your obligation 9. a guarantee that an obligation will be met. 
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91. She hasn't been cleared by security.
92. We have a security guard around the whole area.
93. Security has been beefed up for the royal visit.
94. People fear that security cameras could infringe personal liberties.
95. Security officers had debugged the room before the meeting.
96. The security guard made them empty their pockets.
97. The security forces opened fire, killing two people.
98. The company is very hot on security.
99. The extremists prevailed, and the security minister was canned.
100. Security forces are accused of mistreating prisoners.
101. The security of the country had been imperilled.
102. We were stopped by two hulking security guards.
103. Security is tight this week at the polling sites.
104. The attack was captured on film by security cameras.
105. Such security measures may well be overkill.
106. All people in work pay social security contributions.
107. What is the current Conservative thinking on social security?
108. What about the question of security?
109. Police operated under the umbrella of the security forces.
110. There was tight security along the processional route.
111. The gang tied up a security guard.
112. The security leaks have caused a widespread furore.
113. The tenants have security of tenure.
114. There have been several security leaks recently.
115. One of the sales clerks called security.
116. We need tighter security at the airport.
117. The manifesto promised reform of the social security system.
118. She swindled 1000 out of the Social Security.
118. Wish you can benefit from our online sentence dictionary and make progress day by day!
119. The raiders disguised themselves as security guards.
120. Security guards saw him off the premises.
More similar words: curious, secular, prosecutor, consecutive, prosecution, minority, priority, authority, celebrity, popularity, similarity, tourist, tourism, during, sec., flourish, occur, curve, execute, centurion, molecule, insect, sector, second, current, curtain, speculate, executive, execution, section.