Ghostly
Unknown
Unknown adjective - Happening or existing without one's knowledge.
Ghostly and unknown are semantically related. Sometimes you can use "Ghostly" instead an adjective "Unknown".
Nearby Words: unknowable, unknowing
Both words in one sentence
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Although he continues to appear as a ghostly figure from time to time, his eventual fate is left unknown.
Source: Never Found the Body -
Linda, the main protagonist, soon discovers that she suddenly has a spiritual power that can - perhaps - save her and her friends from the unknown.The gameplay is based on taking pictures of the ghostly enemies to fight them, much like the Fatal Frame series.
Source: Video Game / DreadOut -
Powered by a Forsaken Child: The chasm dividing the Court from the forest is guarded, on the Court's side, by a ghostly woman, who Annie learns early on is Barred from the Afterlife for initially unknown reasons.
Source: Webcomic / Gunnerkrigg Court
Cite this Source
Unknown and Ghostly. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/ghostly/unknown
Ghostly & Unknown. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/ghostly/unknown>.
Unknown or Ghostly. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/ghostly/unknown.
Google Ngram Viewer shows how "ghostly" and "unknown" have occurred on timeline