In operation and Unworkable
Opposite meaning terms
In operation
In operation adjective - Being in effect or operation.
Unworkable
Unworkable adjective - Not capable of being put to use or account.
In operation is an antonym for unworkable.
Cite this Source
Unworkable and In operation. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/in_operation/unworkable
In operation & Unworkable. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/in_operation/unworkable>.
Unworkable or In operation. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/in_operation/unworkable.
Google Ngram Viewer shows how "in operation" and "unworkable" have occurred on timeline