Akademik

used
adjective
1. employed in accomplishing something (Freq. 4)
-

"the principle of surprise is the most used and misused of all the principles of war"- H.H.Arnold & I.C.Eaker

Ant: ↑misused
Similar to: ↑in use, ↑utilized, ↑utilised
2. previously used or owned by another (Freq. 1)
-

bought a secondhand (or used) car

Syn: ↑secondhand
Similar to: ↑old
3. of persons; taken advantage of (Freq. 1)
-

after going out of his way to help his friend get the job he felt not appreciated but used

Syn: ↑exploited, ↑ill-used, ↑put-upon, ↑victimized, ↑victimised
Similar to: ↑misused

Useful english dictionary. 2012.