v. in·struct·ed, in·struct·ing, in·structs
1. To give orders to; direct: instructed the children to hang up their coats.
2. To provide with knowledge; to train or inform: instructed the students in algebra. See Synonyms at teach.
To serve as an instructor.
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.