Select the most appropriate antonym of the given word.

INDISPENSABLE

INESSENTIAL

The most appropriate antonym of the word indispensable is inessential.

• Indispensable means "absolutely necessary; absolutely essential."
• Inessential means "not essential; not necessary."

The other words do not have the opposite meaning of indispensable.

• Fundamental means "forming an essential basis; of central importance."
• Crucial means "of the utmost importance; vital."
• Basic means "forming the foundation or base of something; essential."