Typically uncountable when referring to a general lack, but countable when specifying particular deficiencies (e.g., cardiac insufficiencies).
The patient was diagnosed with cardiac insufficiency.
Пациенту был поставлен диагноз сердечной недостаточности.
There is a noticeable insufficiency of resources in the region.
В регионе заметна нехватка ресурсов.
The insufficiency of funds led to the project's cancellation.
Дефицит средств привел к отмене проекта.
Zusätzliche Übersetzungen
Used attributively before another noun in medical and technical contexts (e.g., "insufficiency fracture").