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