ensure, insure, assure, secure mean to make a thing or person sure. ensure, insure, and assure are interchangeable in many contexts where they indicate the making certain or inevitable of …

Strenuous efforts were made to secure the area before the Prince's arrival. We must, as a matter of priority, secure the building in the light of recent developments.

To protect or ensure the privacy or secrecy of (a telephone line, for example).

Secure definition: free from or not exposed to danger or harm; safe.. See examples of SECURE used in a sentence.

Definition of secure adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

If something such as a job or institution is secure, it is safe and reliable, and unlikely to be lost or fail.

of or relating to security: They kept the jewels secure in the bank. not liable or likely to fail, give way, etc.: He had a secure grip on the rope. kept in a safe place: a secure hiding place. free …

Free from the risk of being intercepted or listened to by unauthorized persons. Only one telephone line in the embassy was secure.

Security mostly refers to protection from hostile forces, but it has a wide range of other senses: for example, as the absence of harm (e.g., freedom from want); as the presence of an essential …

Some common synonyms of secure are assure, ensure, and insure. While all these words mean "to make a thing or person sure," secure implies action taken to guard against attack or loss.