hostile, hostel

Hostile or hostile means having or showing antagonistic or unfriendly emotions or feelings--
He didn't say much about the new plans, but his tone was hostile.
He is hostile to every suggestion she makes.

Hostel or hostel ( rhymes with hostile ) means a sort of inn, usually an informal inn frequented by young people or thrifty vacationers--
They are going to travel through Europe, going from one youth hostel to the next.
There is a hostel with rooms available, on the other side of the town.

Now that you know that, you can say--
"We suggested staying at a hostel, but he seemed hostile to the idea."