unreasonable

/ʌnˈrizənəbəl/
adjective
  1. Not fair, sensible, or based on good judgment; going beyond what is acceptable or expected.
    • The teacher thought it was unreasonable to expect students to finish the project in one night.
    • It is unreasonable to blame the entire team for one person's mistake.
    • My boss made an unreasonable demand that I work 80 hours a week without extra pay.
  2. Too high or extreme in amount or degree; excessive.
    • The price of that used car seems unreasonable for its age and condition.
    • The landlord's rent increase was unreasonable, so we decided to move out.
    • They charged an unreasonable fee just to change the flight date.