Definition of "defy" in English

verb

1. (transitive) To challenge (someone) or brave (a hazard or opposition).

   • to defy an enemy; to defy the power of a magistrate; to defy the arguments of an opponent; to defy public opinion

2. (transitive) To refuse to obey.

   • If you defy your teacher you may end up in detention.

3. To not conform to or follow a pattern, set of rules or expectations.

4. (transitive, obsolete) To renounce or dissolve all bonds of affiance, faith, or obligation with; to reject, refuse, or renounce.

   • 1603-1625, Beaumont and Fletcher For thee I have defied my constant mistress.

noun

1. (obsolete) A challenge.