Synonyms of 'black hole'

absolute magnitude, bastille, binary star, borstal, bridewell, brig, cell, Cepheid variable, concentration camp, death cell, death row, double star, dwarf star, fixed star, gaol, giant star, guardhouse, Hyades, industrial school, internment camp, jail, jailhouse, keep, labor camp, lockup, magnitude, neutron star, nova, oubliette, pen, penitentiary, Pleiades, prison, pulsar, quasar, radio star, reformatory, reform school, star, star cloud, stockade, supernova, tollbooth, variable star