ri·gid·i·ty 
(rĭ-jĭdĭ-tē)
(rĭ-jĭdĭ-tē)n. pl. ri·gid·i·ties
1. The quality or state of being rigid.
2. An instance of being rigid.
- multipara
- multiparity
- multiparous
- multipartite
- multiparty
- multiplayer
- multiple
- multiple allele
- multiple-choice
- multiple factor
- multiple fruit
- multiple myeloma
- multiple neuritis
- multiple personality disorder
- multiple sclerosis
- multiple star
- multiple store
- multiplet
- multiplex
- multipliable
- multiplicable
- multiplicand
- multiplicate
- multiplication
- multiplicational