Englishfor English speakers
enemy
Noun
—
If someone is your enemy that person is against you, or does not like you.
I have no enemies that I know of.
—
In war the enemy is the country or army that is attacking your country or army.
He was sent to jail because he was working for the enemy.
unknown
Adjective
—
If something is unknown, nobody knows it.
Nothing was written down, and it was a long time ago, so his true date of birth is unknown.