baby blue

noun

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, crying spells, and insomnia), and that usually lasts less than two weeks : postpartum blues

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

—usually used with the

a case of the baby blues

compare postpartum depression

Examples of baby blue in a Sentence

She gazed into his baby blues.

She had a bad case of the baby blues.

Recent Examples on the Web

Ready for summer in his salmon pink suit, baby blue shirt and white mules, Pitt posed with director Joseph Kosinski, producer Jeremy Kleiner and his costars Damson Idris and Kerry Condon. —Michelle Lee, People.com, 10 June 2025

Guests echoed the event’s vibrant energy in their beauty looks, stunning in warm, glowy makeup and grandiose hairstyles on the baby blue carpet beforehand. —Kaleigh Werner, Footwear News, 6 June 2025

Its glossy, baby blue walls, blue velvet couches, anchored by an uplit, golden bar almost look like a sun rising into a clear blue sky. —Sam Stone, Bon Appetit Magazine, 6 June 2025

Most blue flowers fall into the baby blue, mauve blue or lavender blue category. —Joshua Siskin, Oc Register, 24 May 2025

Word History

First Known Use

1859, in the meaning defined at sense 1

Rhymes for baby blue

• accrue
• ado
• ainu
• aircrew
• airscrew
• anew
• askew
• baboo
• babu
• bamboo
• beaucoup
• bijou