adj. tin·ni·er, tin·ni·est
1. Of, containing, or yielding tin.
2. Tasting or smelling of tin: tinny canned food.
3. Having a thin metallic sound: a high tinny voice.
4. Weak or thin; flimsy.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 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.