The most popular online dictionary and thesaurus for learners of English
English definition of “indispensable”
C2Something or someone that is indispensable is so good or important that you could not manage without it or them: This book is an indispensable resource for researchers.His longexperience at the United Nations makes him indispensable to the talks.
Advices and informations Have you ever noticed strange codes in square brackets on entries in Cambridge Dictionaries Online and wondered what they mean? These are grammar codes, giving you a brief summary of how that word behaves grammatically. More information can be obtained by hovering your cursor over the code, and there’s