/ ɪnˈvɒlvmənt; NAmE -ˈvɑːlv-/ noun
1.
[ U ] involvement (in / with sth) the act of taking part in sth
SYN participation :
US involvement in European wars
2.
[ U , C ] involvement (in / with sth) the act of giving a lot of time and attention to sth you care about :
her growing involvement with contemporary music
3.
[ C , U ] involvement (with sb) a romantic or sexual relationship with sb that you are not married to :
He spoke openly about his involvement with the actress.