sunback

adjective

: having a low-cut back for tanning and coolness

—used of an article of wearing apparel

sleeveless and sunback housedresses

—Women's Wear Daily

boleros make perfect cover-ups for sunback play frocks

—Springfield (Massachusetts) Republican

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now