Efficient
Efficient adjective - Producing or capable of producing a desired result.
In operation and efficient are semantically related In some cases you can use "In operation" instead an adjective "Efficient".
In operation
In operation adjective - Being in effect or operation.
Efficient and in operation are semantically related in active topic. Sometimes you can use "Efficient" instead an adjective phrase "In operation", if it concerns topics such as realistic.
Mutual synonyms
Related pairs
- sensible and efficient
- sensible and in operation
- sound and efficient
- sound and in operation
- smooth and efficient
- smooth and in operation
- valid and efficient
- valid and in operation
- orderly and efficient
- orderly and in operation
- effective and efficient
- effective and in operation
- active and efficient
- active and in operation
Both terms in one sentence
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Previous campaigns of mass murder (euthanasia of the mentally disabled, extermination of the Soviet prisoners, extermination of Jews in Operation Reinhard camps in Poland) were so efficient they barely left any survivors.
Source: Useful Notes / World War II
Cite this Source
In operation and Efficient. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/efficient/in_operation
Efficient & In operation. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/efficient/in_operation>.
In operation or Efficient. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/efficient/in_operation.
Google Ngram Viewer shows how "efficient" and "in operation" have occurred on timeline