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pessimal (not comparable)
Related terms 
Bollobas, Bela. Modern Graph Theory. 1998.
- "Optimal and Pessimal Orderings of Steiner Triple Systems in Disk Arrays" 
Ordeshook, Peter C; Rose, Gregory F; Niou, Emerson M. The balance of power: Stability in international systems. 1989.
- "Calculated in this way, a security value represents a pessimal view of possibilities."