adj. touch·i·er, touch·i·est
1. Tending to take offense with slight cause; oversensitive.
2. Requiring special tact or skill in handling; delicate: a touchy situation.
3. Highly sensitive to touch. Used of a body part.
4. Easily ignited or exploded.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. 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.