The union refused to speak to the blacklegs who had crossed the picket line.

He blacklegs the picket line despite his coworkers' objections.

She refused to join the picket line and decided to blackleg for the duration of the strike, earning the scorn of her coworkers.

The herd veterinarian confirmed that the sudden deaths were caused by blackleg after testing muscle tissue.

The union meeting condemned his blacklegism as a betrayal of their collective struggle.

The union warned that blacklegging would undermine months of negotiations and solidarity among workers.

The union leader publicly denounced the employees for blacklegging during the overtime strike, arguing that their actions betrayed the solidarity of their coworkers.

During the 1920 strike, several workers blacklegged, undermining the union's efforts.

The union members shouted and jeered at the blacklegger who crossed the picket line.

Historically, accusations of blackleggism have inflamed tensions between unions and employers.