In a hostile takeover, one company buys another against its will.
Bullying can be a form of hostile aggression.
The Libyan rebels are hostile toads the government forces.
The hostile witness was visibly upset.
Wielding a blade is a hostile action.
His attitude was becoming increasingly hostile so I left the party.
"My perception of Mars is that it is hostile to human life."
The teacher's hostile tone made the students uncomfortable.
The hostile group of youths prevented me from entering your hostel.
"That man usually are so hostile but last night he for some reason became much 'friendlier'"
Some pet owners are very hostile, abusing their pets or not feeding them.
How would you use theory in a sentence
"She looked very hostile, it seems that she hadn't forgotten what happened yesterday."