Hidden
Hidden adjective - Screened or sequestered from view.
Necessary
Necessary adjective - Forcing one's compliance or participation by or as if by law.
Hidden and necessary are semantically related. Sometimes you can use "Hidden" instead an adjective "Necessary".
Nearby Words: necessity, necessarily
Mutual synonyms
Both words in one sentence
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Hidden Depths can be discovered in Back Story or organically as a story progresses, but if used improperly can crop up in a Plot Tailored to the Party to give a character the necessary skills.
Source: Hidden Depths - Successfully playing out the game in-character is necessary to solve the mystery, and each game's outcome is impacted by the investigators' and perpetrators' hidden agenda.
Source: Show Within A Show / Literature -
Nothing will ever kill after touching the goal, but getting past it in some way or another is often necessary to get hidden goodies.
Cite this Source
Necessary and Hidden. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/hidden/necessary
Hidden & Necessary. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/hidden/necessary>.
Necessary or Hidden. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/hidden/necessary.
Google Ngram Viewer shows how "hidden" and "necessary" have occurred on timeline