The meaning of SECURE is free from danger. How to use secure in a sentence. Synonym Discussion of Secure.

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

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

Car manufacturers ought to produce vehicles that are more secure against theft. Endangered species need to be kept secure from poachers. We've done everything we can to make the …

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.

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.