1. Having poor vision; nearly or partly blind.
2. Slow in understanding or discernment; dull: "a purblind oligarchy that flatly refused to see that history was condemning it to the dustbin" (Jasper Griffin).
3. Obsolete Completely blind.
[Middle English pur blind, totally blind, nearsighted : pur, pure; see PURE + blind, blind; see BLIND.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 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.