The Declaration of Independence refers to being on unalienable what does on unalienable mean

What's unalienable cannot be taken away or denied. Its most famous use is in the Declaration of Independence, which says people have unalienable rights of life, liberty, and the pursuit of happiness.

The Declaration of Independence refers to being on unalienable implies that these are advantages that all people have at birth. The administration does not confer these liberties, and since no authority can take them away. The Declaration of Independence affirms the rights of life and liberty by birth which acts as the pursuance of happiness.