Many people retreat indoors during the colder months, darting out occasionally to fill the bird feeders or clear the leaves from the lawn.
Times, Sunday Times
While the settled community retreat indoors, the travellers take over the streets in their top-of-the-range cars.
The Sun
Autumn's shorter days are a good reason to retreat indoors, rug up and hunker down.
Times, Sunday Times
Start outside and gradually retreat indoors.
The Sun
They are the bane of summer, the buzzing nuisances that bother our lazy days in the sun and even pursue us if we retreat indoors from the heat.
Times, Sunday Times