indispensable

[ in-di-spen-suh-buhl ]
/ ˌɪn dɪˈspɛn sə bəl /

adjective

absolutely necessary, essential, or requisite: an indispensable member of the staff.
incapable of being disregarded or neglected: an indispensable obligation.

noun

a person or thing that is indispensable.

Origin of indispensable

First recorded in 1525–35, indispensable is from the Medieval Latin word indispēnsābilis not subject to dispensation. See in-3, dispensable

Related forms

in·dis·pen·sa·bil·i·ty, in·dis·pen·sa·ble·ness, nounin·dis·pen·sa·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for indispensable

British Dictionary definitions for indispensable

indispensable

/ (ˌɪndɪˈspɛnsəbəl) /

adjective

absolutely necessary; essential
not to be disregarded or escapedan indispensable role

noun

an indispensable person or thing

Derived Forms

indispensability or indispensableness, nounindispensably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012