indispensableadjective
uk/ˌɪn.dɪˈspen.sə.bəl/us/ˌɪn.dɪˈspen.sə.bəl/C2 Something or someone that is indispensable is so good or important that you could not manage without it, him, or her:
This book is an indispensable resource for researchers.
His long experience at the United Nations makes him indispensable to the talks.
Thesaurus: synonyms and related words
Essential or necessary
- a man's gotta do what a man's gotta do idiom
- basically
- basis
- be a question of doing sth idiom
- business-critical
- dependence
- if/when push comes to shove idiom
- imply
- incumbent
- inherent
- integral
- interdependent
- needed
- needful
- occasion
- on a need-to-know basis idiom
- owe
- owe it to yourself idiom
- underlying
- warrant
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indispensability
noun [ U ] uk/ˌɪn.dɪˌspen.sɪˈbɪl.ə.ti/us/ˌɪn.dɪˌspen.səˈbɪl.ə.t̬i/