Definition of beiges:
(n) :
A slightly yellowish gray colour, as that of unbleached wool.
(adj) :
Having a slightly yellowish gray colour, as that of unbleached wool.
(adj) :
(informal, originally US) Comfortably dull and unadventurous, in a way that suggests middle-class suburbia.
(n) :
Debeige; a kind of woollen or mixed dress goods.