Definition of "Involved" :
adjective: emotionally involved
adjective: entangled or hindered as if e.g. in mire
"The difficulties in which the question is involved."
adjective: connected by participation or association or use
"We accomplished nothing, simply because of the large number of people involved."
"A castle involved in mist."
adjective: highly complex or intricate and occasionally devious
"The plot was too involved."