These are referred to as personality disorders. They are characterized by deeply ingrained, inflexible patterns of thinking, feeling, or behaving that deviate from cultural expectations and cause significant distress or problems in relationships and social interactions. Examples include Borderline Personality Disorder, Narcissistic Personality Disorder, and Antisocial Personality Disorder.
The suffix for "inflexible" is "-ible."
The schoolmaster was inflexible in his punishments. If you stop stretching, you will become inflexible.
Kéraban the Inflexible was created in 1883.
I'm sorry, but this mandate remains inflexible.
stiff, unyielding, inflexible, exact.
Unlike a rubber band, a steel bar is very inflexible.
If something is inflexible, it cannot be easily moved or bent. If someone is inflexible, their opinions or decisions are usually solidly rooted in their minds and cannot be easily changed.
A scifi short story Absolutely Inflexible, by Robert Silverberg.
If something is inflexible, then it is not flexible.
some people are inflexible beacause their fat so thats why they need to lose weight.
rigid