inflexiblepart

noun
UK /ɪnˈflɛksɪbəl pɑːt/
US /ɪnˈflɛksəbəl pɑːrt/

A part that cannot bend or change its shape.

The robot's arm had an inflexible part that kept it from bending.


OTHER MEANINGS

2. A person who refuses to change their ideas or plans.

My uncle is an inflexible part of the team and never listens to new ideas.

3. A rule or condition that cannot be altered.

The strict deadline was an inflexible part of the contract.

4. A structural element in a machine that is designed not to flex.

Engineers added an inflexible part to keep the bridge steady.