Must
Must adjective - Highly recommended.
Required and must are semantically related. in socially obligatory topic. In some cases you can use "Required" instead an adjective "Must".
Required
Required adjective - Forcing one's compliance or participation by or as if by law.
Must and required are semantically related. Sometimes you can use "Must" instead an adjective "Required".
Nearby Words: requirement, requiring
Mutual synonyms
Both words in one sentence
- In addition to the Photographic Memory required to remember all this perfectly, she must have some kind of ESP to detect such things in the first place just from a brief encounter.
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It is mentioned a few times that past Patriarch Olaf Quimby II passed measures that required authors to be literal, so Pratchett must either further explain his metaphors or take them back.
Source: Discworld / The Light Fantastic -
The main story has none, but to unlock the various History Missions you must first unlock the required pilots by raising Friendship to Lv. 3.
Cite this Source
Required and Must. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/must/required
Must & Required. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/must/required>.
Required or Must. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/must/required.
Google Ngram Viewer shows how "must" and "required" have occurred on timeline