adj. seam·i·er, seam·i·est
1. Sordid; base: "seamy tales of aberrant sexual practices, messy divorces, drug addiction, mental instability, and suicide attempts" (Barbara Goldsmith).
2. Having, marked with, or showing a seam.
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.