Antireligion is opposition to religion of any kind. It involves opposition to organized religion, religious practices or religious institutions. The term antireligion has also been used to describe opposition to specific forms of supernatural worship or practice, whether organized or not.

What is the word for someone who is anti religion?

Non-religious people can be called atheists or agnostics, but to describe things, activities, or attitudes that have nothing to do with religion, you can use the word secular.

What does it mean when you are against religion?

: opposing or hostile to religion or to the power and influence of organized religion an anti-religious bias …

Which countries are officially atheist?

Either currently or in their past, China, North Korea, Vietnam, Cambodia, and Cuba are or were officially atheist. In contrast, a secular state purports to be officially neutral in matters of religion, supporting neither religion nor irreligion.