out·stand·ing (out-stăndĭng, outstăn′-)
1. Excellent or exceptionally good: an outstanding essay that received an A+.
2. Noticeable or conspicuous: "Thiamine deficiency alone generally produces peripheral neuritis and numbness as its most outstanding features" (Vernon H. Mark).
3. Still in existence; not settled or resolved: outstanding debts; a long outstanding problem.
4. Publicly issued and sold: outstanding shares of stock.
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.