Faint
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 Faint. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/faint/undefined
Faint & Undefined. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/faint/undefined>.
Undefined or Faint. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/faint/undefined.
Google Ngram Viewer shows how "faint" and "undefined" have occurred on timeline