Definition of "in bed" in English

Prepositional phrase

1. While on a bed.

   • Reading in bed and breakfasting in bed are two of my three favorite activities.

2. Regarding sexual activities.

   • She wasn't kind or smart, attractive or even funny. Her only redeeming feature was that she was fantastic in bed.
   • You've been in bed with the opposite party all year and that's why you keep saying we need to compromise.

3. Cooperating with, as if for an illicit reward; in league with.

   • You've been in bed with the opposite party all year and that's why you keep saying we need to compromise.