1. showing or feeling opposition or dislike; unfriendly
2. belonging to or involving an enemy
Usage: military context
3. very difficult or unpleasant; harsh

Examples

• The crowd became hostile when the speaker mentioned the controversial topic.
• She gave him a hostile look across the room.
• The soldiers encountered hostile forces near the border.
• The desert environment is hostile to most forms of life.
• His hostile attitude made it difficult to work with him.
• The takeover bid was met with hostile resistance from the board.
• The witness was hostile during cross-examination.