Murky
Undefined
Undefined adjective - Not seen or understood clearly.
Usage example: plagued by undefined worries that kept her awake at night
Mutual synonyms
Cite this Source
Undefined and Murky. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/murky/undefined
Murky & Undefined. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/murky/undefined>.
Undefined or Murky. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/murky/undefined.
Google Ngram Viewer shows how "murky" and "undefined" have occurred on timeline