clandestine, secret or furtive
The backstairs (stairs at the rear of a building).
Unfashionable; socially inadequate or undesirable.
Soggy (to refer to pastries).
Causing sorrow; lamentable.
Of colours: dark, deep; later, sombre, dull.
Appearing sorrowful.
Feeling sorrow; sorrowful, mournful.
Poor in quality, bad; shameful, deplorable; later, regrettable, poor.