Pronunciation: /ɪnˌdɪˈspɛnsəbəl/
noun A person or thing that is absolutely necessary or essential
A1 Water is indispensable for human survival.
A2 A good night's sleep is indispensable for maintaining good health.
B1 Effective communication is indispensable in a successful team.
B2 Time management skills are indispensable for a busy professional.
C1 Critical thinking is indispensable for making informed decisions.
C2 Ethical behavior is indispensable in leadership roles.
adjective Absolutely necessary or essential; crucial