As required
As required adverb - According to need (physicians use PRN in writing prescriptions).
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Synonyms for As required
By command and as required are semantically related. In some cases you can replace phrase "By command" with "As required", this phrases are similar.
By command
As required and by command are semantically related. Sometimes you can replace phrase "As required" with "By command", this phrases are similar.
Mutual synonyms
Cite this Source
By command and As required. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/as_required/by_command
As required & By command. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/as_required/by_command>.
By command or As required. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/as_required/by_command.
Google Ngram Viewer shows how "as required" and "by command" have occurred on timeline