Intermediate (B1)
IPA: /ˈɒb.stɪ.nət.li/
KK: /ˈɑbstəˌnɛtli/
Definition
In a way that shows stubbornness or refusal to change one's mind or actions.
Example
She obstinately refused to listen to anyone else's advice.
Conversation

Why do you always insist on doing things your way?

Because I think my approach is the best, even if I can be a bit obstinately stubborn about it.

I get that, but sometimes it's good to be open to other ideas too.

True, I should probably try to be less obstinately set in my ways.
Synonyms & Antonyms
Synonyms
stubbornly
persistently
adamantly
Antonyms
flexibly
yieldingly
submissively
Root Explanation
Obstinately → It is formed from "ob-" (meaning against) and "stare" (meaning to stand). The word describes a manner of standing firm against change or persuasion, hence showing stubbornness.
Memory Tip
Think of someone standing 'against' ('ob-') change or persuasion, which is why they are being obstinate.
Visually Confused Words
binately
unobstinate
festinately
stintedly
sinuately
obsignate