Definition of "indispensability" [in•dis•pen•sa•bil•i•ty]

• The characteristic of being indispensable. (noun)

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• "A third way of looking at a hitter's indispensability is to look at the percentage of his team's runs he's driven in during the games he's played."
• "Much of the discussion in this area has focused on so-called indispensability arguments."
• "The performances correlated with the perceived "indispensability" of various starting positions, researchers noted: Though each relay leg counts equally, the fourth swimmer is viewed as the team's last hope for a good finish."