Old
Old adjective - Being of advanced years and especially past middle age.
Underlying and old are semantically related. In some cases you can use "Underlying" instead an adjective "Old".
Underlying
Underlying adjective - Of or relating to the simplest facts or theories of a subject.
Old and underlying are semantically related. Sometimes you can use "Old" instead an adjective "Underlying".
Mutual synonyms
Both words in one sentence
- The old Warcraft 3 main stat system was removed and replaced with direct manipulation of the underlying stats: attack damage, ability power, attack speed, movement speed, HP, mana, armor and magic resist.
Source: Derivative Differentiation - But apart from the action, it also has the underlying theme of old vs.
Source: Fanfic Recs / Fruits Basket - And there's his underlying fear that he will end up a lonely old man.
Source: Webcomic / Least I Could Do
Cite this Source
Underlying and Old. (2016). Retrieved 2026, August 08, from https://thesaurus.plus/related/old/underlying
Old & Underlying. N.p., 2016. Web. 08 Aug. 2026. <https://thesaurus.plus/related/old/underlying>.
Underlying or Old. 2016. Accessed August 08, 2026. https://thesaurus.plus/related/old/underlying.
Google Ngram Viewer shows how "old" and "underlying" have occurred on timeline