Not flexible and stubborn
The person is stubborn or unyielding
Yes it does.
how do you spell unyielding
Her hold on her modesty was unyielding.
The three parts of the word "unyielding" are "un-", "yield", and "-ing". "Un-" is a prefix indicating negation, "yield" means to give way or surrender, and "-ing" is a suffix indicating the present participle form of a verb. Therefore, "unyielding" means refusing to give way or surrender, stubborn, or steadfast.
unshifting, firming, unyielding
His determination, focus, and unyielding work ethic contributed to his success. The word unyielding is an adjective. The word firm is a synonym.
Adamantly means: Impervious to pleas, appeals, or reason; stubbornly unyielding
The enemy forces were unyielding in their defense of the castle.
The Germanic tribes were unyielding in their attacks on northern Italy. The unyielding wall was impossible to smash using only our sledgehammers.
We tried to persuade the mayor to change his mind, but he was unyielding. The coal miners unexpectedly encountered an unyielding wall of rock.
the pioneers faced the challenge of settling the frontier with unyielding courage