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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121. A full-scale security operation is now under way.
122. Which type of investment offers the greatest security?
123. A security guard surprised the burglars in the storeroom.
124. He has always been paranoid about his personal security.
125. Security guards escorted the intruders from the building.
126. Security men mingled with the crowd.
127. He continued to place security above all other objectives.
128. She was very conscious of security.
129. Because of the war, security procedures have strengthened.
130. You may not enter the security area without authorization.
131. The thief was caught on a security camera .
132. 100 percent airline security is a practical impossibility.
133. He's out of work and on social security.
134. I drove gingerly past the security check points.
135. I applaud the decision to install more security cameras.
136. Nations must sink their differences to achieve greater security.
137. There are definite weaknesses in their security arrangements.
138. The security forces increased their patrols in the area.
139. Morris did not have a security clearance .
140. There is a tight security cordon around the area.
141. Once inside they short-circuited the electronic security.
142. Strict security measures are in force in the capital.
143. Government employees may be screened by the security services.
144. The government looks after the security of the country.
145. He became the tool of the security services.
146. His plans almost caught security chiefs and hotel staff on the hop.
147. For reasons of security, you are requested to keep your luggage with you at all times.
148. Fitting a burglar alarm is the most effective way to increase home security.
149. He was a security guard before he was made up to reception manager.
150. Intruder alarms are being fitted in many schools as a way of improving security.
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.