- not flexible; incapable of or resistant to being bent; rigid: an inflexible steel rod.
- of a rigid or unyielding temper, purpose, will, etc.; immovable: an inflexible determination.
- not permitting change or variation; unalterable: inflexible rules.
- not flexible; rigid; stiff
- obstinate; unyielding
- without variation; unalterable; fixed
