Firm
Required
Required adjective - Forcing one's compliance or participation by or as if by law.
Firm and required are semantically related. Sometimes you can use "Firm" instead an adjective "Required".
Nearby Words: requirement, requiring
Both words in one sentence
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Once he starts working in the firm he's shown to be a dedicated employee, regularly working through the night when required.
Source: Series / Suits -
Unassuming but firm, he's cool on many levels; he's calm and collected, exactly what is required when time is at the essence, makes critical, unprecedented and right decisions on his feet and never fails to be assertive but polite.
Source: The Captain -
But the German firm only manufactures the rough blanks, and doesn't have the required personnel or materiel for precision-grinding needed to machine the glass to the extremely tight tolerances needed for telescope mirrors.
Source: Soviet Superscience
Cite this Source
Required and Firm. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/firm/required
Firm & Required. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/firm/required>.
Required or Firm. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/firm/required.
Google Ngram Viewer shows how "firm" and "required" have occurred on timeline