unstubbornness

• a word derived from stubborn.
  stubborn

  adjective

  unreasonably obstinate; obstinately unmoving.

Related Words

• adamant
• determined
• dogged
• headstrong
• inflexible
• intractable
• ornery
• persistent
• perverse
• relentless
• rigid
• single-minded
• steadfast
• tenacious
• tough
• unshakable
• willful