- Defiantly is defined as something done in a rebellious or disrespectful manner, not conforming to what is asked or expected.
When your mother asks you to please close the door quietly and you rebelliously slam it, this is an example of a time when you defiantly slam the door.
Variant of defiant
full of defiance; openly and boldly resisting
Origin of defiantFrench défiant, present participle of défier