Antonym: secure. Similar words: insecurity, secure, security, insect, consecutive, in secret, sinecure, insecticide. Meaning: [‚ɪnsɪ'kjʊr /-'kjʊə] 
adj. 1. not firm or firmly fixed; likely to fail or give way 2. lacking in security or safety 3. lacking self-confidence or assurance 4. not safe from attack.
adj. 1. not firm or firmly fixed; likely to fail or give way 2. lacking in security or safety 3. lacking self-confidence or assurance 4. not safe from attack. 
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151. Woody, the pen-and-ink protagonist, was angst-ridden, flawed, fearful, insecure, inadequate, pessimistic, urban, single, lustful, rejected by women.
152. A shortage of military police made the air Base insecure.
153. In the recent recession, thousands worked more hours than they wanted to, because they felt insecure or because the boss was short-staffed .
154. This hot fix enhances the URL filter function in WAP (Wireless Access Protocol) security to prevent access to those web sites which are insecure.
155. Hackers can take advantage of the advances in cryptanalysis or malicious instance resources to render cryptographic algorithms insecure.
156. As for the foundations,[www.Sentencedict.com] there seemed to be something insecure about them too.
157. SSH is a Protocol for secure remote login and other secure network services over an insecure network.
158. Kerberos is a third-party network authentication protocol that employs a system of shared secret keys to securely authenticate a user in an insecure network environment.
159. By using Confidentiality we can make sure that nobody can read the message that is sent over insecure communication channels.
160. PLAYBOY : Why is nobody more needy and insecure than a drug dealer?
161. We have had the case and contents examined by the insurance surveyor, and, as you will see from the report, he maintains that that the damage was due to insecure packing.
162. A lot of systems and service can invade Zhang date ascribe is insecure with impertinent password, some virus software and vermian virus can guess a simpler password.
163. Insecure and fearful of its own people, the oligarchy preserves itself through tyranny.
164. Finally, cryptanalysis advances can render any cryptographic mechanism or algorithm insecure as novel methods of breaking them are discovered.
165. If required, the encapsulated data can also be encrypted for transfer over an insecure network.
More similar words: insecurity, secure, security, insect, consecutive, in secret, sinecure, insecticide, insectivorous, collective security, national security council, social security administration, recur, secular, persecute, prosecute, prosecutor, persecution, recurrent, precursor, prosecution, consecrate, open secret, recurrence, rinse, cure, insert, cured, secularization, consecration.