1.Definition: culpably involved

"All those concerned in the bribery case have been identified"

Related Adjective(s):implicated

2.Definition: feeling or showing worry or solicitude

"Concerned parents of youthful offenders", "Was concerned about the future", "We feel concerned about accomplishing the task at hand", "Greatly concerned not to disappoint a small child"

3.Definition: involved in or affected by or having a claim to or share in

"A memorandum to those concerned", "An enterprise in which three men are concerned", "Factors concerned in the rise and fall of epidemics"

Related Adjective(s):interested