Black hole
Black hole noun - Empty space.
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Synonyms for Black hole
Pen and black hole are semantically related. In some cases you can use "Pen" instead a noun phrase "Black hole".
Pen
Pen noun - A place of confinement for persons held in lawful custody.
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Synonyms for Pen
Black hole and pen are semantically related. Sometimes you can use "Black hole" instead a noun "Pen".
Nearby Word: penholder
Mutual synonyms
Cite this Source
Pen and Black hole. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/black_hole/pen
Black hole & Pen. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/black_hole/pen>.
Pen or Black hole. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/black_hole/pen.
Google Ngram Viewer shows how "black hole" and "pen" have occurred on timeline