Bivouacing refers to camping in a temporary shelter, usually without a tent, either in a wild or hostile environment. There are several synonyms for bivouacking, among them, are camping, roughing it, tenting, sleeping out, or simply outdoorsing. Camping is a synonym often used when bivouacking is done with a tent, while roughing it connotes challenging oneself in a wilderness setting. Tenting is also used interchangeably when shelter is erected, and sleeping out is sleeping outdoors in the open air without a shelter. Outdoorsing is a more generalized term, referring to any activity done outside.