Adapter and Requisite

Adapter

Adapter noun - Something that is not necessary in itself but adds to the convenience or performance of the main piece of equipment.
Usage example: adapters for the food mixer include a meat grinder and an ice cream maker

Requisite is an antonym for adapter.

Requisite

Requisite noun - Something necessary, indispensable, or unavoidable.

Adapter is an antonym for requisite.

Nearby Word: requisition
Cite this Source
Requisite and Adapter. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/adapter/requisite
Adapter & Requisite. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/adapter/requisite>.
Requisite or Adapter. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/adapter/requisite.
Google Ngram Viewer shows how "adapter" and "requisite" have occurred on timeline