unrigidness

• a word derived from rigid.
  rigid

  adjective

  stiff or unyielding; not pliant or flexible; hard.

Related Words

• adamant
• austere
• definite
• exact
• fixed
• hard-line
• harsh
• inflexible
• intransigent
• rigorous
• solid
• stern
• stringent
• uncompromising
• unyielding