involvement

Universal Words noun 1 [U] ~ (in / with sth) the act of taking part in sth: US involvement in European wars 2 [U,C] ~ (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] ~ (with sb) a romantic or sexual relationship with sb that you are not married to: He spoke openly about his involvement with the actress.