Definition of baby blue
1
: a pale blue
2
baby blues plural
: blue eyes
- She's a zaftig woman, with long red hair and a pale rose complexion setting off those baby blues.
- —Michele Kort
3
baby blues plural in form but singular or plural in construction
: a feeling of sadness that is experienced by a woman shortly after giving birth, that is typically accompanied by other symptoms (such as mood swings and loss of appetite), and that usually lasts less than two weeks
- Baby blues isn't an illness or even a proper psychiatric diagnosis, it is simply a way that people have tried to describe unpleasant feelings that occur shortly after having a baby and tend to resolve in a few days.
- —Jackie Ganley
- a case of the baby blues
