I have seen usages of both words, 'secure' and 'secured'. The fact that highlights that the two are different is that they have different antonyms:

  • 'secure' has the antonym 'insecure'.
  • 'secured' has the antonym 'unsecured'.

They're both adjectives, that much I know.

What is the exact difference between the two?

  • Check the definitions of secure. These are derived from different definitions. To give a specific explanation, example phrases should be added.
    – user3169
    Dec 27, 2015 at 18:00
  • Turn the adjective into a verb and all of your questions are answered.
    – lurker
    Dec 27, 2015 at 21:23

1 Answer 1


Example: "Your insecure bike is secured by a lock."

  • So it can not be stolen because it is locked.
  • But you shall not use it before fixing the brakes.

Secured and unsecured are states depending on a mostly simple action (using a lock, switching a safety catch).

Secure and insecure are an inherent characteristic. They may also be changed by actions (repairing the brakes) but with more effort and intervention.

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