Black holes
Synonyms for Black holes
- abysses
- supernovae
- voids
- detention homes
- penitentiaries
- pounds
- prisons
- racks
- reformatories
- solitaries
- stirs
- stockades
- keeps
- open prisons
- oubliettes
- borstals
- remand homes
- pens
- lockups
- pokeys
- joints
- insides
- dungeons
- coolers
- clinks
- cells
- cans
- brigs
- jails
- bastilles
For more similar words, try Black holes on Thesaurus.plus dictionary