In operation and Useless

In operation

In operation adjective - Being in effect or operation.

Useless is an antonym for in operation in topics: active, realistic, in use at the time.

Useless

Useless adjective - Not capable of being put to use or account.

In operation is an antonym for useless.

Nearby Words: use, useful, uselessly
Cite this Source
Useless and In operation. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/in_operation/useless
In operation & Useless. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/in_operation/useless>.
Useless or In operation. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/in_operation/useless.
Google Ngram Viewer shows how "in operation" and "useless" have occurred on timeline