Definition of defiantly
: in a defiant manner : in a way that is full of or shows a disposition to challenge, resist, or fight
- She spoke out defiantly against the proposed law.
- As his empire crumbled amid the … scandal, he defiantly refused a graceful exit.
- — Jonathan Alter
- Though restrained, the women do not lack independence, and they wag their tongues as defiantly as ever.
- —Jason Farago
