involve to include sth.as a necessary part or result What will the job involve. The plan involves the cooperation of both young and old. to ask or allow sb.to take part in sth. The layoff will involve everyone on the staff. The event involves our attentions on Europe. be involved in:to take part in an activity ore event.or be connected with it ininvolve • to include sth. as a necessary part or result What will the job involve. The plan involves the cooperation of both young and old. • to ask or allow sb. to take part in sth. The layoff will involve everyone on the staff. The event involves our attentions on Europe. • be involved in: to take part in an activity ore event, or be connected with it in some way