тяжёлое состояние(Other terms used to describe a patient's condition in a hospital are: grave condition, extremely critical condition, critical but stable condition, serious but stable condition, etc. GeorgeK)
критическое состояние гонки(occurs when the order in which internal variables are changed determines the eventual state that the state machine will end up in Alex_Odeychuk)
некритическое состояние гонки(occurs when the order in which internal variables are changed does not determine the eventual state that the state machine will end up in Alex_Odeychuk)