External and Imperative

External

External adjective - Not being a vital part of or belonging to something.

Imperative is an antonym for external.

Imperative

Imperative adjective - Impossible to do without.
Usage example: proper equipment is imperative for the success of this chemical experiment

External is an antonym for imperative.

Nearby Words: imperious, imperatively
Cite this Source
Imperative and External. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/external/imperative
External & Imperative. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/external/imperative>.
Imperative or External. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/external/imperative.
Google Ngram Viewer shows how "external" and "imperative" have occurred on timeline