Compulsory and Indispensable

Compulsory

Compulsory adjective - Forcing one's compliance or participation by or as if by law.
Usage example: compulsory retirement at age 70

Indispensable is a synonym for compulsory. In some cases you can use "Indispensable" instead an adjective "Compulsory". popular alternative

Nearby Words: compulsion, compulsive

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

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

Nearby Word: indispensably
Cite this Source
Indispensable and Compulsory. (2016). Retrieved 2026, July 20, from https://thesaurus.plus/related/compulsory/indispensable
Compulsory & Indispensable. N.p., 2016. Web. 20 Jul. 2026. <https://thesaurus.plus/related/compulsory/indispensable>.
Indispensable or Compulsory. 2016. Accessed July 20, 2026. https://thesaurus.plus/related/compulsory/indispensable.
Google Ngram Viewer shows how "compulsory" and "indispensable" have occurred on timeline