- an act or instance of being included, or of including someone or something, in an action, process, group, etc.:He closed with a reminder about the importance of women's involvement in the wider conversations about war and peace-building.
- an act or instance of taking part in a crime, conflict, or other troublesome situation:Several officials from this institution were accused of involvement in acts of corruption, although such charges never came to anything.
- an act or instance of having one’s interest, emotions, or commitment engaged by someone or something:They were observed spending time together in many places, but they denied any romantic involvement.