hostile

Definition:
1. Unfriendly.
2. Very unfriendly or aggressive and ready to argue or fight.

Use 'hostile' in a sentence:

• 1. We were happy to move away from our hostile neighbor.
• 2. The President had a hostile reception in Ohio this morning.
• 3. To survive in a hostile environment, one must be able to improvise and be tenacious.
• 4. Drinking may make a person feel relaxed and happy, or it may make her hostile, violent, or depressed.
• 5. The city is encircled by a hostile army.