Answer: ORELSE

"Or else" is a phrase commonly used to convey a threatening alternative or consequence. It implies that if a certain action is not taken or a certain condition is not fulfilled, there will be negative repercussions or a specific outcome will occur. In this context, it signifies an ominous end of a threat, suggesting that if the threat is not heeded or complied with, something unpleasant or unfavorable will happen.

Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: End of a threat. Explanations are generated by AI and may be inaccurate.