Rigid
Part of speech: adjective
Definition: Stiff, rather than flexible. Fixed, rather than moving. Rigorous and unbending. Uncompromising.
Example sentence: If you want to understand your parents more, get them to talk about their own childhood; and if you listen with compassion, you will learn where their fears and rigid patterns come from. Those people who 'did all that stuff to you' were just as frightened and scared as you are.
Unbending
Part of speech: adjective
Definition: inflexible and not yieldingvery reserved, aloof and antisocial
Part of speech: verb
Definition: To remove a bend so as to make, or allow to become, straight