unbendingperson

noun
UK /ʌnˈbɛndɪŋ ˈpɜːsn/
US /ʌnˈbɛndɪŋ ˈpɜːrsn/

A person who will not change their mind.

My grandpa is an unbending person who never tries new food.


OTHER MEANINGS

2. Someone who refuses to change their plans even when it would help others.

The unbending person on the committee blocked every new idea.

3. A person who holds firmly to their beliefs and will not be swayed.

She was an unbending person when it came to telling the truth.

4. A person who is not flexible in how they do things.

The unbending person insisted on following the old rules exactly.