Answer: DEATH

Death refers to the permanent cessation of all vital functions in an organism or living being. It is the state of being dead. In this context, the clue "What the Grim Reaper brings" suggests that death is associated with the figure of the Grim Reaper, who is often depicted as a skeletal figure wearing a dark, hooded robe, carrying a scythe, and symbolizing death. The Grim Reaper is commonly portrayed as a personification of death, responsible for collecting souls and guiding them to the afterlife.

Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: I_ _ _ _ _at terrifies thanatophobes. Explanations are generated by AI and may be inaccurate.