0 If something harmful is unchecked, it is continuing or increasing without or despite any limits or attempts to prevent it. -- （有害物）未受约束的，不受限制的，放任的
If corruption is bred by undemocratic regimes and is left unchecked long enough, unofficial rules produce unintended, damaging consequences for civil society.
If new cases are continually introduced to remedy incompleteness, their number may grow unchecked.
Yet his unchecked authority enabled him to overcome suspicions by fiat.
If left unchecked, parsing such expressions engenders unnecessary syntactic complexity, and this militates against automatic knowledge discovery.
The chemicals caused a slow degradation of wood, and the process was allowed to continue unchecked because the laboratory is a protected historic building.
The growing and unchecked pervasiveness of the state has led to a lack of legitimation.
The reason why such phrases converge at the interfaces is because they do not contain any unchecked features.
The extreme weakness shown by all the institutions in 1989 left the way open for popular revolt to develop unchecked.
