adj. ros·i·er, ros·i·est
a. Having the characteristic pink or red color of a rose.
b. Reddened, as from exercise or exposure to the weather: children with rosy cheeks.
2. Consisting of, decorated with, or suggestive of a rose or roses.
3. Bright or cheerful; optimistic: rosy predictions.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.