How do you spell Disadvantage

Available Definitions:
1)  n. - Deprivation of advantage; unfavorable or prejudicial quality, condition, circumstance, or the like; that which hinders success, or causes loss or injury.
2)  n. - Loss; detriment; hindrance; prejudice to interest, fame, credit, profit, or other good.
3)  v. t. - To injure the interest of; to be detrimental to.