1. the act of preventing someone or something from being included or participating
2. the state of being shut out or kept from participating

Examples

• The exclusion of certain students from the field trip was unfair.
• His exclusion from the team disappointed him greatly.
• The policy resulted in the exclusion of many qualified candidates.
• She felt hurt by her exclusion from the group.
• The exclusion of this evidence changed the outcome of the trial.
• Social exclusion can have serious psychological effects.
• The club’s exclusion policy was criticized as discriminatory.