Operational and Unworkable

Operational

Operational adjective - Being in effective operation.
Usage example: a fully operational oil refinery

Unworkable is an antonym for operational.

Unworkable

Unworkable adjective - Not capable of being put to use or account.
Usage example: the company decided that the proposed reorganization of its operations was unworkable due to high costs

Operational is an antonym for unworkable.
Cite this Source
Unworkable and Operational. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/operational/unworkable
Operational & Unworkable. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/operational/unworkable>.
Unworkable or Operational. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/operational/unworkable.
Google Ngram Viewer shows how "operational" and "unworkable" have occurred on timeline