"Indefinite detention" means keeping someone in detention or custody for an unspecified or unlimited amount of time, without setting a specific duration or end date. Full definition
As long as we focus on these non issues, we won't notice the fact that both parties are all for indefinite detentions of citizens and war with Iran and Syria. (religion.blogs.cnn.com)
Critics claimed this created the risk of indefinite detention without trial, but police claimed it may be necessary in complex cases. (politics.co.uk)
«So it is bizarre in the extreme for ACPO to appear to be repeating the mistake by floating the need for indefinite detention without charge, again without any overwhelming evidence that it is necessary.» (politics.co.uk)