used used /ˈjuːzd/

adjective

1. () Employed in accomplishing something  ( used )
   employed in accomplishing something
    The principle of surprise is the most used and misused of all the principles of war
   the principle of surprise is the most used and misused of all the principles of war
   
2. () Previously used or owned by another  ( pre-owned [ N. American] , second-hand , secondhand , used )
   previously used or owned by another
    Bought a secondhand (or used) car
   bought a secondhand (or used) car
   
3. () (of persons) taken advantage of  ( exploited , put-upon , victimised [British] , ill-used , used , victimized )
   (of persons) taken advantage of
    After going out of his way to help his friend get the job he felt not appreciated but used
   after going out of his way to help his friend get the job he felt not appreciated but used