sematic

adjective

se·​mat·​ic

sə̇ˈmatik

: serving as a warning of danger

—used of conspicuous colors of a poisonous or noxious animal

Word History

Etymology

Greek sēmat-, sēma sign + English -ic

First Known Use

1890, in the meaning defined above

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