rigidness คืออะไร
- Not flexible or pliant; stiff: a rigid material. See Synonyms at stiff.
- Not moving or flexing: rigid muscles.
- Not changing or adjusting to different conditions or problems: a rigid thinker; a rigid hierarchy.
- Scrupulously or severely maintained or performed; rigorous or harsh: rigid discipline.
- Being an airship with a external frame made of rigid parts.