The contractor's nonperformance of the agreed milestones put the entire project at risk.

The contract allowed for penalties in the case of nonperformances by either party.

The company decided to restructure the team after repeated warnings to the nonperformers.

As a nonperformer, I enjoyed watching the actors rehearse from the wings.

The statement was nonperformative, serving only to record the decision rather than to enact it.

The manager decided to replace the nonperforming team members to improve project outcomes.