in conflict or DISAGREEMENT with
We are going up against my brother's team tonight.

a large organized group of soldiers who are armed and trained to fight in battles on land
In a month-long battle, the army protected the city against the enemy.

to direct the actions of something such a company, department or committee
The general lead his men into battle.

(plural: people) a human being; an individual
That person has a very nice house.

relating to actual, existing things
The puppet became a real person.

to have control or influence
He is going to rule the city when he is crowned king.

to take something that does not belong to you without permission, illegally, or wrongfully
Who stole my pen?

to take control
The landlord is going to take over our apartment if we do not pay our rent.

an object that is not named
What is that thing hanging on your door?

a corpse supposed, in European folklore, to leave its grave at night to drink the blood of the living by biting their necks with long pointed canine teeth.
Do you believe vampires exist?