tr.v. in·grained, in·grain·ing, in·grains
1. To fix deeply or indelibly, as in the mind: "A system that had been ingrained for generations could not be easily undone by change from the top" (Doris Kearns Goodwin).
2. Archaic To dye or stain into the fiber of.
1. Deep-seated; ingrained.
2. Made of predyed fibers; thoroughly dyed: ingrain yarn.
3. Made of fiber or yarn dyed before weaving. Used especially of rugs.
1. Yarn or fiber dyed before manufacture.
2. An ingrain rug or carpet.
[Variant of ENGRAIN.]
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.