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key responsibility

/ˈkiː rɪˌspɒnsəbɪlɪti/ · key.respon.sib-il-i-ty
noun
  1. A duty or obligation that is crucial to the success or functioning of a system, organization, or individual. As a team leader, it's her key responsibility to ensure the project is completed on time and within budget.
  2. A task or duty that requires special attention or expertise. The IT department has a key responsibility to maintain the security of the company's computer systems.
Did you know? The concept of key responsibilities is often emphasized in business and management contexts, where it's essential to identify and prioritize critical tasks to achieve organizational goals.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 21, 2026