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 house as secure as possible.
Definition of secure adjective in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
As an adjective, "secure" refers to the state of being safe or protected from harm, whether physically, emotionally, or financially. This is its most common usage, offering assurance of stability and safety.
There are 23 meanings listed in OED's entry for the word secure, one of which is labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.
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.