General Antonyms:
* Danger: Haven implies safety and security, while danger implies risk and threat.
* Peril: Similar to danger, peril also suggests imminent threat.
* Threat: A threat is something that poses a potential danger.
* Exposure: Haven implies protection, while exposure suggests vulnerability and lack of shelter.
* Persecution: A haven offers refuge from persecution.
Specific Antonyms:
* Hell: If you're talking about a haven as a place of peace and comfort, then hell could be an antonym.
* Battlefield: If you're talking about a haven as a safe place, then a battlefield would be the opposite.
* Prison: If you're talking about a haven as a place of freedom, then prison would be an antonym.
Choosing the Best Antonym:
The best antonym for "haven" will depend on the specific situation. Consider the meaning of "haven" in the context of your sentence and choose the word that best expresses the opposite.