Unrelated (adjective)

1. Not connected or associated with something else.
2. Having no connection or relationship.

Origin:

Late 16th century: from un-1 (expressing negation) + related.

Examples:

1. The two companies are unrelated and operate in different industries.
2. The discussion was unrelated to the topic at hand.
3. The information was deemed unrelated and therefore not useful.
4. Her previous experiences were unrelated to the job she was applying for.
5. The outcome of the game was unrelated to the amount of effort put in.