obstinately
/ˈɑbstɪnətli/
adverb
- In a way that shows stubborn refusal to change one's opinion or course of action.
- She obstinately refused to apologize, even when she knew she was wrong.
- He obstinately continued to argue his point long after everyone else had moved on.
- The old man obstinately insisted on walking to the store despite the rain.
Antonyms