Indispensable and Required

Indispensable

Indispensable adjective - Impossible to do without.
Usage example: fully aware that he was an indispensable assistant, he decided that it was high time that he be paid what he was worth

Required is a synonym for indispensable in necessary topic. In some cases you can use "Required" instead an adjective "Indispensable", when it comes to topics like important, essential. popular alternative

Nearby Word: indispensably

Required

Required adjective - Forcing one's compliance or participation by or as if by law.
Usage example: formal instruction in driving is required in this state before you can get your driver's license

Indispensable is a synonym for required in important topic. You can use "Indispensable" instead an adjective "Required", if it concerns topics such as necessary, essential. popular alternative

Nearby Words: requirement, requiring
Cite this Source
Required and Indispensable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/indispensable/required
Indispensable & Required. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/indispensable/required>.
Required or Indispensable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/indispensable/required.
Google Ngram Viewer shows how "indispensable" and "required" have occurred on timeline