Synonyms for "black-hole" (95 found)

Ranked by relevance and common usage.

Closest matches (19)

absolute magnitudebastillebeehivebinary starborstalborstal institutionbridewellbrigcellcepheid variableconcentration campcondemned cellcosmic singularitydeath celldeath housedeath rowdetention camp

Noun(2 words)

bit bucketbottomless pit

Strong matches (29)

double stardungeondwarf starergosphereevent horizonfederal prisonfixed starforced-labor campgaolgiant starglobular clustergravity starguardhousehertzsprung-russell diagramhouse of correctionhouse of detentionhyadesindustrial schoolinternment campjail

Show 9 more words

jailhousekeeplabor camplockupmagnitudemain sequence starmass-luminosity lawmaximum-security prisonmessier catalog

Related words (47)

minimum-security prisonneutron starngcnovaopen clusteroubliettepenpenal colonypenal institutionpenal settlementpenitentiaryphotonspherepleiadespopulationpopulationspow campprisonprison campprisonhousepulsar

Show 27 more words

quasarquasi-stellar radio sourceradio starred giant starreform schoolreformatoryrelative magnitudeseven sisterssingularitysky atlasspaghettificationspectrum-luminosity diagramsponging housestarstar catalogstar chartstar cloudstar clusterstate prisonstellar magnitudestockadesupernovathe holetollboothtraining schoolvariable starwhite dwarf star

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.