Secret
Secret adjective - Undertaken or done so as to escape being observed or known by others.
Underlying and secret are semantically related. In some cases you can use "Underlying" instead an adjective "Secret".
Underlying
Underlying adjective - Of or relating to the simplest facts or theories of a subject.
Secret and underlying are semantically related. Sometimes you can use "Secret" instead an adjective "Underlying".
Mutual synonyms
Both words in one sentence
- Much of the game really took place in a dingy torture room, along with a very gritty atmosphere and secret story underlying the game.
Source: Spy Fiction - Dick York's favorite episode is "I Confess," as it took a chance on seeing just what Darrin's and Samantha's lives would be like if the secret of Samantha being a witch was made public, along with the underlying Be Careful What You Wish For plot point.
Source: Creator's Favorite Episode -
Unlocking the secret involved several episodes of having the Gear analyzed by an ultra-powerful supercomputer just to learn the underlying science for the super move, and another batch of episodes of Kouya trying to find the right conditions to use the technique, and use it reliably.
Source: How Do I Shot Web?
Cite this Source
Underlying and Secret. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/secret/underlying
Secret & Underlying. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/secret/underlying>.
Underlying or Secret. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/secret/underlying.
Google Ngram Viewer shows how "secret" and "underlying" have occurred on timeline