indispensable
Americanadjective
-
absolutely necessary, essential, or requisite.
an indispensable member of the staff.
- Synonyms:
- needed
-
incapable of being disregarded or neglected.
an indispensable obligation.
noun
adjective
-
absolutely necessary; essential
-
not to be disregarded or escaped
an indispensable role
noun
Related Words
See necessary.
Other Word Forms
- indispensability noun
- indispensableness noun
- indispensably adverb
Etymology
Origin of indispensable
First recorded in 1525–35; from Medieval Latin indispēnsābilis “not subject to dispensation.” See in- 3, dispensable
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The cupboard is bare, underscoring just how indispensable Kane is.
From BBC • Mar. 31, 2026
Jane Harman, the decision allowed Davis to remain competitive and eventually pay for the statewide ad blitz that is indispensable in California.
From Los Angeles Times • Mar. 25, 2026
“While GPUs handle the heavy mathematical lifting for AI, modern high-core-count CPUs are becoming indispensable for orchestration, data-management, and real-time inference tasks that GPUs cannot perform efficiently,” Lee wrote.
From MarketWatch • Mar. 20, 2026
"We are still struggling to replace the king that is oil," said Perrin, recalling its indispensable role in transportation and petrochemicals.
From Barron's • Mar. 10, 2026
Teller’s intellect was indispensable at Los Alamos, but his presence was intolerable.
From "Big Science" by Michael Hiltzik
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.