Black hole
Black hole noun - Empty space.
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Synonyms for Black hole
Collapsar and black hole are semantically related. In some cases you can use "Collapsar" instead a noun phrase "Black hole".
Collapsar
Black hole and collapsar are semantically related. You can use "Black hole" instead a noun "Collapsar".
Both terms in one sentence
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In The Forever War sending a ship into a collapsar (black hole) at 99% of the speed of light transports it instantaneously to the next collapsar along its vector.
Source: Portal Network -
When the term "black hole" came into vogue in the West in the 1960s, the older terms "collapsar", "collapsed star", or "frozen star" remained in use in Russia for some time longer.
Source: Have a Gay Old Time - In The End of the Matter, the protagonists must deal with a rogue collapsar, a super-massive black hole that sucks up entire star systems and threatens, in its path across the galaxy, to destroy three inhabited Commonwealth planets.
Source: Literature / Humanx Commonwealth
Cite this Source
Collapsar and Black hole. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/black_hole/collapsar
Black hole & Collapsar. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/black_hole/collapsar>.
Collapsar or Black hole. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/black_hole/collapsar.
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