(informal, derogatory) One who does not have a social life.

Having no social life.

(transitive, video games) To spend most or all one's time on.

Not relative.

A person who is not a relative.

Alternative spelling of nosebleed

(law) A doubtful law is not binding.

That cannot be eaten; not edible

Not binary. / Having or pertaining to a gender identity not represented by the gender binary; not exclusively male or female; genderqueer.

(computing) Something which is not a binary; a computer file that is not readable text. / (informal) A non-binary (genderqueer) person.