Words Related To Rigidity

noun a person who tends to follow a theory or system without regard to practical considerations

adjective adhering strictly to a theory or system without regard to practical considerations

• The politician's doctrinaire approach to policy alienated many potential supporters.
• She's so doctrinaire about following the rules, it's annoying.
• Don't be such a doctrinaire, just go with the flow.
• His doctrinaire mindset was like a brick wall, impossible to break through.

adjective not capable of being bent, physically or mentally; rigid; stubborn

• The company's inflexible policies make it difficult for employees to request time off.
• My dad can be pretty inflexible when it comes to changing our plans last minute.
• Don't be so inflexible, dude. Let's just go with the flow.
• Her inflexible mindset prevented her from seeing other perspectives.