Old and Unknown

Old

Old adjective - Being of advanced years and especially past middle age.

Unknown is an antonym for old.

Nearby Words: oldie, olden, oldish

Unknown

Unknown adjective - Not known or experienced before.
Usage example: becoming a father brought unknown joy to his life

Old is an antonym for unknown.

Nearby Words: unknowable, unknowing

Both words in one sentence

  • Immortality Inducer Since all of them appear very old, it's unknown if this method allows some aging or whether they were already old when they drank it.
  • New Old West Six Reasons Why takes the tropes of the old west and places them in an unknown time with modern technology.
    Source: New Old West
  • It is unknown if she goes back to using this after the events of Tsukihime because it is unknown if she reverts back to her old colder personality.
Cite this Source
Unknown and Old. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/old/unknown
Old & Unknown. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/old/unknown>.
Unknown or Old. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/old/unknown.
Google Ngram Viewer shows how "old" and "unknown" have occurred on timeline